diff --git a/cps/translations/zh_Hans_CN/LC_MESSAGES/messages.mo b/cps/translations/zh_Hans_CN/LC_MESSAGES/messages.mo
index d0ffc14c..a2e59093 100644
Binary files a/cps/translations/zh_Hans_CN/LC_MESSAGES/messages.mo and b/cps/translations/zh_Hans_CN/LC_MESSAGES/messages.mo differ
diff --git a/cps/translations/zh_Hans_CN/LC_MESSAGES/messages.po b/cps/translations/zh_Hans_CN/LC_MESSAGES/messages.po
index 73bc4efa..1f7099cf 100644
--- a/cps/translations/zh_Hans_CN/LC_MESSAGES/messages.po
+++ b/cps/translations/zh_Hans_CN/LC_MESSAGES/messages.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version:  Calibre-Web\n"
 "Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
-"POT-Creation-Date: 2022-01-15 09:19+0100\n"
+"POT-Creation-Date: 2022-04-18 12:20+0800\n"
 "PO-Revision-Date: 2020-09-27 22:18+0800\n"
 "Last-Translator: xlivevil <xlivevil@aliyun.com>\n"
 "Language: zh_CN\n"
@@ -16,578 +16,581 @@ msgstr ""
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=utf-8\n"
 "Content-Transfer-Encoding: 8bit\n"
-"Generated-By: Babel 2.9.0\n"
+"Generated-By: Babel 2.9.1\n"
 
-#: cps/about.py:34 cps/about.py:49 cps/about.py:65 cps/converter.py:31
-msgid "not installed"
-msgstr "未安装"
-
-#: cps/about.py:47 cps/about.py:63
-msgid "installed"
-msgstr "已安装"
-
-#: cps/about.py:145
+#: cps/about.py:86
 msgid "Statistics"
 msgstr "统计"
 
-#: cps/admin.py:144
+#: cps/admin.py:141
 msgid "Server restarted, please reload page"
 msgstr "服务器已重启，请刷新页面"
 
-#: cps/admin.py:146
+#: cps/admin.py:143
 msgid "Performing shutdown of server, please close window"
 msgstr "正在关闭服务器，请关闭窗口"
 
-#: cps/admin.py:154
+#: cps/admin.py:151
 msgid "Reconnect successful"
 msgstr "重新连接成功"
 
-#: cps/admin.py:157
+#: cps/admin.py:154
 msgid "Unknown command"
 msgstr "未知命令"
 
-#: cps/admin.py:167 cps/editbooks.py:707 cps/editbooks.py:721
-#: cps/editbooks.py:866 cps/editbooks.py:868 cps/editbooks.py:895
-#: cps/editbooks.py:911 cps/updater.py:584 cps/uploader.py:93
-#: cps/uploader.py:103
+#: cps/admin.py:176 cps/editbooks.py:713 cps/editbooks.py:892
+#: cps/editbooks.py:894 cps/editbooks.py:930 cps/editbooks.py:947
+#: cps/updater.py:608 cps/uploader.py:93 cps/uploader.py:103
 msgid "Unknown"
 msgstr "未知"
 
-#: cps/admin.py:188
+#: cps/admin.py:197
 msgid "Admin page"
 msgstr "管理页"
 
-#: cps/admin.py:207
+#: cps/admin.py:217
 msgid "Basic Configuration"
 msgstr "基本配置"
 
-#: cps/admin.py:244
+#: cps/admin.py:255
 msgid "UI Configuration"
 msgstr "界面配置"
 
-#: cps/admin.py:277 cps/templates/admin.html:50
+#: cps/admin.py:289 cps/templates/admin.html:51
 msgid "Edit Users"
 msgstr "管理用户"
 
-#: cps/admin.py:318 cps/opds.py:109 cps/opds.py:198 cps/opds.py:275
-#: cps/opds.py:327 cps/templates/grid.html:13 cps/templates/languages.html:9
+#: cps/admin.py:333 cps/opds.py:529 cps/templates/grid.html:13
 #: cps/templates/list.html:13
 msgid "All"
 msgstr "全部"
 
-#: cps/admin.py:343 cps/admin.py:1615
+#: cps/admin.py:360 cps/admin.py:1648
 msgid "User not found"
 msgstr "找不到用户"
 
-#: cps/admin.py:357
+#: cps/admin.py:374
 msgid "{} users deleted successfully"
 msgstr "成功删除 {} 个用户"
 
-#: cps/admin.py:379 cps/templates/config_view_edit.html:133
+#: cps/admin.py:397 cps/templates/config_view_edit.html:133
 #: cps/templates/user_edit.html:45 cps/templates/user_table.html:81
 msgid "Show All"
 msgstr "显示全部"
 
-#: cps/admin.py:400 cps/admin.py:406
+#: cps/admin.py:418 cps/admin.py:424
 msgid "Malformed request"
 msgstr "格式错误的请求"
 
-#: cps/admin.py:418 cps/admin.py:1493
+#: cps/admin.py:436 cps/admin.py:1526
 msgid "Guest Name can't be changed"
 msgstr "访客名称无法更改"
 
-#: cps/admin.py:430
+#: cps/admin.py:448
 msgid "Guest can't have this role"
 msgstr "游客无法拥有此角色"
 
-#: cps/admin.py:442 cps/admin.py:1451
+#: cps/admin.py:460 cps/admin.py:1484
 msgid "No admin user remaining, can't remove admin role"
 msgstr "理员账户不存在，无法删除管理员角色"
 
-#: cps/admin.py:446 cps/admin.py:460
+#: cps/admin.py:464 cps/admin.py:478
 msgid "Value has to be true or false"
 msgstr "值必须是 true 或 false"
 
-#: cps/admin.py:448
+#: cps/admin.py:466
 msgid "Invalid role"
 msgstr "无效角色"
 
-#: cps/admin.py:452
+#: cps/admin.py:470
 msgid "Guest can't have this view"
 msgstr "游客无法拥有此视图"
 
-#: cps/admin.py:462
+#: cps/admin.py:480
 msgid "Invalid view"
 msgstr "无效视图"
 
-#: cps/admin.py:465
+#: cps/admin.py:483
 msgid "Guest's Locale is determined automatically and can't be set"
 msgstr "游客的本地化是自动侦测而无法设置的"
 
-#: cps/admin.py:469
+#: cps/admin.py:487
 msgid "No Valid Locale Given"
 msgstr "无可用本地化"
 
-#: cps/admin.py:480
+#: cps/admin.py:498
 msgid "No Valid Book Language Given"
 msgstr "无有效书籍语言"
 
-#: cps/admin.py:482
+#: cps/admin.py:500 cps/editbooks.py:1267
 msgid "Parameter not found"
 msgstr "参数未找到"
 
-#: cps/admin.py:533
+#: cps/admin.py:553
 msgid "Invalid Read Column"
 msgstr "无效的阅读列"
 
-#: cps/admin.py:539
+#: cps/admin.py:559
 msgid "Invalid Restricted Column"
 msgstr "无效的限制列"
 
-#: cps/admin.py:560 cps/admin.py:1323
+#: cps/admin.py:579 cps/admin.py:1355
 msgid "Calibre-Web configuration updated"
 msgstr "Calibre-Web配置已更新"
 
-#: cps/admin.py:572
+#: cps/admin.py:591
 msgid "Do you really want to delete the Kobo Token?"
 msgstr "您确定删除Kobo Token吗？"
 
-#: cps/admin.py:574
+#: cps/admin.py:593
 msgid "Do you really want to delete this domain?"
 msgstr "您确定要删除此域吗？"
 
-#: cps/admin.py:576
+#: cps/admin.py:595
 msgid "Do you really want to delete this user?"
 msgstr "您确定要删除此用户吗？"
 
-#: cps/admin.py:578
+#: cps/admin.py:597
 msgid "Are you sure you want to delete this shelf?"
 msgstr "您确定要删除此书架吗？"
 
-#: cps/admin.py:580
+#: cps/admin.py:599
 msgid "Are you sure you want to change locales of selected user(s)?"
 msgstr "您确定要修改选定用户的本地化设置吗？"
 
-#: cps/admin.py:582
+#: cps/admin.py:601
 msgid "Are you sure you want to change visible book languages for selected user(s)?"
 msgstr "您确定要修改选定用户的可见书籍语言吗？"
 
-#: cps/admin.py:584
+#: cps/admin.py:603
 msgid "Are you sure you want to change the selected role for the selected user(s)?"
 msgstr "您确定要修改选定用户的选定角色吗？"
 
-#: cps/admin.py:586
+#: cps/admin.py:605
 msgid "Are you sure you want to change the selected restrictions for the selected user(s)?"
 msgstr "您确定要修改选定用户的选定限制吗？"
 
-#: cps/admin.py:588
+#: cps/admin.py:607
 msgid "Are you sure you want to change the selected visibility restrictions for the selected user(s)?"
 msgstr "您确定要修改选定用户的选定可视化限制吗？"
 
-#: cps/admin.py:590
+#: cps/admin.py:610
 msgid "Are you sure you want to change shelf sync behavior for the selected user(s)?"
 msgstr "您确定要更改所选用户的书架同步行为吗？"
 
-#: cps/admin.py:592
+#: cps/admin.py:612
 msgid "Are you sure you want to change Calibre library location?"
 msgstr "您确定要更改 Calibre 库位置吗？"
 
-#: cps/admin.py:594
+#: cps/admin.py:614
 msgid "Are you sure you want delete Calibre-Web's sync database to force a full sync with your Kobo Reader?"
-msgstr ""
+msgstr "您确定要删除 Calibre-Web 的同步数据库以强制与您的 Kobo Reader 进行完全同步吗"
 
-#: cps/admin.py:743
+#: cps/admin.py:764
 msgid "Tag not found"
 msgstr "标签未找到"
 
-#: cps/admin.py:755
+#: cps/admin.py:776
 msgid "Invalid Action"
 msgstr "无效的动作"
 
-#: cps/admin.py:871 cps/admin.py:877 cps/admin.py:887 cps/admin.py:897
+#: cps/admin.py:893 cps/admin.py:899 cps/admin.py:909 cps/admin.py:919
 #: cps/templates/modal_dialogs.html:29 cps/templates/user_table.html:41
 #: cps/templates/user_table.html:58
 msgid "Deny"
 msgstr "拒绝"
 
-#: cps/admin.py:873 cps/admin.py:879 cps/admin.py:889 cps/admin.py:899
+#: cps/admin.py:895 cps/admin.py:901 cps/admin.py:911 cps/admin.py:921
 #: cps/templates/modal_dialogs.html:28 cps/templates/user_table.html:44
 #: cps/templates/user_table.html:61
 msgid "Allow"
 msgstr "允许"
 
-#: cps/admin.py:913
+#: cps/admin.py:936
 msgid "{} sync entries deleted"
-msgstr ""
+msgstr "{} 同步项目被删除"
 
-#: cps/admin.py:1036
+#: cps/admin.py:1059
 msgid "client_secrets.json Is Not Configured For Web Application"
 msgstr "client_secrets.json 未为 Web 应用程序配置"
 
-#: cps/admin.py:1081
+#: cps/admin.py:1104
 msgid "Logfile Location is not Valid, Please Enter Correct Path"
 msgstr "日志文件路径无效，请输入正确的路径"
 
-#: cps/admin.py:1087
+#: cps/admin.py:1110
 msgid "Access Logfile Location is not Valid, Please Enter Correct Path"
 msgstr "访问日志路径无效，请输入正确的路径"
 
-#: cps/admin.py:1117
+#: cps/admin.py:1140
 msgid "Please Enter a LDAP Provider, Port, DN and User Object Identifier"
 msgstr "请输入LDAP主机、端口、DN和用户对象标识符"
 
-#: cps/admin.py:1123
+#: cps/admin.py:1146
 msgid "Please Enter a LDAP Service Account and Password"
 msgstr "请输入一个LDAP服务账号和密码 "
 
-#: cps/admin.py:1126
+#: cps/admin.py:1149
 msgid "Please Enter a LDAP Service Account"
 msgstr "请输入一个LDAP服务账号"
 
-#: cps/admin.py:1131
+#: cps/admin.py:1154
 #, python-format
 msgid "LDAP Group Object Filter Needs to Have One \"%s\" Format Identifier"
 msgstr "LDAP组对象过滤器需要一个具有“%s”格式标识符"
 
-#: cps/admin.py:1133
+#: cps/admin.py:1156
 msgid "LDAP Group Object Filter Has Unmatched Parenthesis"
 msgstr "LDAP组对象过滤器的括号不匹配"
 
-#: cps/admin.py:1137
+#: cps/admin.py:1160
 #, python-format
 msgid "LDAP User Object Filter needs to Have One \"%s\" Format Identifier"
 msgstr "LDAP用户对象过滤器需要一个具有“%s”格式标识符"
 
-#: cps/admin.py:1139
+#: cps/admin.py:1162
 msgid "LDAP User Object Filter Has Unmatched Parenthesis"
 msgstr "LDAP用户对象过滤器的括号不匹配"
 
-#: cps/admin.py:1146
+#: cps/admin.py:1169
 #, python-format
 msgid "LDAP Member User Filter needs to Have One \"%s\" Format Identifier"
 msgstr "LDAP成员用户过滤器需要有一个“%s”格式标识符"
 
-#: cps/admin.py:1148
+#: cps/admin.py:1171
 msgid "LDAP Member User Filter Has Unmatched Parenthesis"
 msgstr "LDAP成员用户过滤器中有不匹配的括号"
 
-#: cps/admin.py:1155
+#: cps/admin.py:1178
 msgid "LDAP CACertificate, Certificate or Key Location is not Valid, Please Enter Correct Path"
 msgstr "LDAP CA证书、证书或密钥位置无效，请输入正确的路径"
 
-#: cps/admin.py:1197 cps/admin.py:1308 cps/admin.py:1405 cps/admin.py:1521
-#: cps/admin.py:1590 cps/shelf.py:100 cps/shelf.py:160 cps/shelf.py:203
-#: cps/shelf.py:279 cps/shelf.py:341 cps/shelf.py:376 cps/shelf.py:451
-msgid "Settings DB is not Writeable"
-msgstr "设置数据库不可写入"
+#: cps/admin.py:1223 cps/admin.py:1339 cps/admin.py:1437 cps/admin.py:1554
+#: cps/admin.py:1623 cps/editbooks.py:678 cps/editbooks.py:882
+#: cps/editbooks.py:1130 cps/shelf.py:100 cps/shelf.py:160 cps/shelf.py:203
+#: cps/shelf.py:278 cps/shelf.py:343 cps/shelf.py:380 cps/shelf.py:456
+#: cps/web.py:1742
+#, python-format
+msgid "Database error: %(error)s."
+msgstr "数据库错误：%(error)s。"
 
-#: cps/admin.py:1208
+#: cps/admin.py:1235
 msgid "DB Location is not Valid, Please Enter Correct Path"
 msgstr "数据库路径无效，请输入正确的路径"
 
-#: cps/admin.py:1223
+#: cps/admin.py:1253
 msgid "DB is not Writeable"
 msgstr "数据库不可写入"
 
-#: cps/admin.py:1235
+#: cps/admin.py:1266
 msgid "Keyfile Location is not Valid, Please Enter Correct Path"
 msgstr "密钥文件路径无效，请输入正确的路径"
 
-#: cps/admin.py:1239
+#: cps/admin.py:1270
 msgid "Certfile Location is not Valid, Please Enter Correct Path"
 msgstr "证书文件路径无效，请输入正确的路径"
 
-#: cps/admin.py:1346
+#: cps/admin.py:1378
 msgid "Database Settings updated"
 msgstr "数据库设置已更新"
 
-#: cps/admin.py:1354
+#: cps/admin.py:1386
 msgid "Database Configuration"
 msgstr "数据库配置"
 
-#: cps/admin.py:1370 cps/web.py:1479
+#: cps/admin.py:1402 cps/web.py:1557
 msgid "Please fill out all fields!"
 msgstr "请填写所有字段！"
 
-#: cps/admin.py:1378
+#: cps/admin.py:1410
 msgid "E-mail is not from valid domain"
 msgstr "邮箱不在有效域中"
 
-#: cps/admin.py:1384 cps/admin.py:1543
+#: cps/admin.py:1416 cps/admin.py:1576
 msgid "Add new user"
 msgstr "添加新用户"
 
-#: cps/admin.py:1395
+#: cps/admin.py:1427
 #, python-format
 msgid "User '%(user)s' created"
 msgstr "用户“%(user)s”已创建"
 
-#: cps/admin.py:1401
+#: cps/admin.py:1433
 msgid "Found an existing account for this e-mail address or name."
 msgstr "使用此邮箱或用户名的账号已经存在。"
 
-#: cps/admin.py:1430
+#: cps/admin.py:1463
 #, python-format
 msgid "User '%(nick)s' deleted"
 msgstr "用户“%(nick)s”已删除"
 
-#: cps/admin.py:1432 cps/admin.py:1433
+#: cps/admin.py:1465 cps/admin.py:1466
 msgid "Can't delete Guest User"
 msgstr "无法删除游客用户"
 
-#: cps/admin.py:1436
+#: cps/admin.py:1469
 msgid "No admin user remaining, can't delete user"
 msgstr "管理员账户不存在，无法删除用户"
 
-#: cps/admin.py:1509 cps/admin.py:1634
+#: cps/admin.py:1542 cps/admin.py:1667
 #, python-format
 msgid "Edit User %(nick)s"
 msgstr "编辑用户 %(nick)s"
 
-#: cps/admin.py:1513
+#: cps/admin.py:1546
 #, python-format
 msgid "User '%(nick)s' updated"
 msgstr "用户“%(nick)s”已更新"
 
-#: cps/admin.py:1517 cps/admin.py:1649 cps/web.py:1504 cps/web.py:1564
+#: cps/admin.py:1550 cps/admin.py:1682 cps/web.py:1582 cps/web.py:1642
 msgid "An unknown error occurred. Please try again later."
 msgstr "发生一个未知错误，请稍后再试。"
 
-#: cps/admin.py:1552 cps/templates/admin.html:98
+#: cps/admin.py:1585 cps/templates/admin.html:100
 msgid "Edit E-mail Server Settings"
 msgstr "编辑邮件服务器设置"
 
-#: cps/admin.py:1571
+#: cps/admin.py:1604
 msgid "Gmail Account Verification Successful"
 msgstr "G-Mail账号校验成功"
 
-#: cps/admin.py:1597
+#: cps/admin.py:1630
 #, python-format
 msgid "Test e-mail queued for sending to %(email)s, please check Tasks for result"
 msgstr "发送给%(email)s的测试邮件已进入队列。请检查任务结果"
 
-#: cps/admin.py:1600
+#: cps/admin.py:1633
 #, python-format
 msgid "There was an error sending the Test e-mail: %(res)s"
 msgstr "发送测试邮件时出错：%(res)s"
 
-#: cps/admin.py:1602
+#: cps/admin.py:1635
 msgid "Please configure your e-mail address first..."
 msgstr "请先配置您的邮箱地址..."
 
-#: cps/admin.py:1604
+#: cps/admin.py:1637
 msgid "E-mail server settings updated"
 msgstr "邮件服务器设置已更新"
 
-#: cps/admin.py:1646
+#: cps/admin.py:1679
 #, python-format
 msgid "Password for user %(user)s reset"
 msgstr "用户 %(user)s 的密码已重置"
 
-#: cps/admin.py:1652 cps/web.py:1444
+#: cps/admin.py:1685 cps/web.py:1522
 msgid "Please configure the SMTP mail settings first..."
 msgstr "请先配置SMTP邮箱设置..."
 
-#: cps/admin.py:1663
+#: cps/admin.py:1696
 msgid "Logfile viewer"
 msgstr "日志文件查看器"
 
-#: cps/admin.py:1729
+#: cps/admin.py:1762
 msgid "Requesting update package"
 msgstr "正在请求更新包"
 
-#: cps/admin.py:1730
+#: cps/admin.py:1763
 msgid "Downloading update package"
 msgstr "正在下载更新包"
 
-#: cps/admin.py:1731
+#: cps/admin.py:1764
 msgid "Unzipping update package"
 msgstr "正在解压更新包"
 
-#: cps/admin.py:1732
+#: cps/admin.py:1765
 msgid "Replacing files"
 msgstr "正在替换文件"
 
-#: cps/admin.py:1733
+#: cps/admin.py:1766
 msgid "Database connections are closed"
 msgstr "数据库连接已关闭"
 
-#: cps/admin.py:1734
+#: cps/admin.py:1767
 msgid "Stopping server"
 msgstr "正在停止服务器"
 
-#: cps/admin.py:1735
+#: cps/admin.py:1768
 msgid "Update finished, please press okay and reload page"
 msgstr "更新完成，请点击确定并刷新页面"
 
-#: cps/admin.py:1736 cps/admin.py:1737 cps/admin.py:1738 cps/admin.py:1739
-#: cps/admin.py:1740 cps/admin.py:1741
+#: cps/admin.py:1769 cps/admin.py:1770 cps/admin.py:1771 cps/admin.py:1772
+#: cps/admin.py:1773 cps/admin.py:1774
 msgid "Update failed:"
 msgstr "更新失败："
 
-#: cps/admin.py:1736 cps/updater.py:385 cps/updater.py:595 cps/updater.py:597
+#: cps/admin.py:1769 cps/updater.py:384 cps/updater.py:619 cps/updater.py:621
 msgid "HTTP Error"
 msgstr "HTTP错误"
 
-#: cps/admin.py:1737 cps/updater.py:387 cps/updater.py:599
+#: cps/admin.py:1770 cps/updater.py:386 cps/updater.py:623
 msgid "Connection error"
 msgstr "连接错误"
 
-#: cps/admin.py:1738 cps/updater.py:389 cps/updater.py:601
+#: cps/admin.py:1771 cps/updater.py:388 cps/updater.py:625
 msgid "Timeout while establishing connection"
 msgstr "建立连接超时"
 
-#: cps/admin.py:1739 cps/updater.py:391 cps/updater.py:603
+#: cps/admin.py:1772 cps/updater.py:390 cps/updater.py:627
 msgid "General error"
 msgstr "一般错误"
 
-#: cps/admin.py:1740
+#: cps/admin.py:1773
 msgid "Update file could not be saved in temp dir"
 msgstr "更新文件无法保存在临时目录中"
 
-#: cps/admin.py:1741
+#: cps/admin.py:1774
 msgid "Files could not be replaced during update"
 msgstr "更新期间无法替换文件"
 
-#: cps/admin.py:1765
+#: cps/admin.py:1798
 msgid "Failed to extract at least One LDAP User"
 msgstr "未能提取至少一个LDAP用户"
 
-#: cps/admin.py:1810
+#: cps/admin.py:1843
 msgid "Failed to Create at Least One LDAP User"
 msgstr "未能创建至少一个LDAP用户"
 
-#: cps/admin.py:1823
+#: cps/admin.py:1856
 #, python-format
 msgid "Error: %(ldaperror)s"
 msgstr "错误：%(ldaperror)s"
 
-#: cps/admin.py:1827
+#: cps/admin.py:1860
 msgid "Error: No user returned in response of LDAP server"
 msgstr "错误：在LDAP服务器的响应中没有返回用户"
 
-#: cps/admin.py:1860
+#: cps/admin.py:1893
 msgid "At Least One LDAP User Not Found in Database"
 msgstr "数据库中没有找到至少一个LDAP用户"
 
-#: cps/admin.py:1862
+#: cps/admin.py:1895
 msgid "{} User Successfully Imported"
 msgstr "{} 用户被成功导入"
 
 #: cps/converter.py:30
-msgid "not configured"
-msgstr "未配置"
+msgid "not installed"
+msgstr "未安装"
 
-#: cps/converter.py:32
+#: cps/converter.py:31
 msgid "Execution permissions missing"
 msgstr "缺少执行权限"
 
-#: cps/db.py:651 cps/web.py:667 cps/web.py:1155
+#: cps/db.py:674 cps/web.py:710 cps/web.py:1222
 #, python-format
 msgid "Custom Column No.%(column)d is not existing in calibre database"
 msgstr "自定义列号：%(column)d在Calibre数据库中不存在"
 
-#: cps/editbooks.py:300 cps/editbooks.py:302
+#: cps/db.py:917 cps/templates/config_edit.html:204
+#: cps/templates/config_view_edit.html:62 cps/templates/email_edit.html:41
+#: cps/web.py:551 cps/web.py:585 cps/web.py:646 cps/web.py:671 cps/web.py:1003
+#: cps/web.py:1032 cps/web.py:1066 cps/web.py:1093 cps/web.py:1132
+msgid "None"
+msgstr "无"
+
+#: cps/editbooks.py:295 cps/editbooks.py:297
 msgid "Book Format Successfully Deleted"
 msgstr "书籍格式已成功删除"
 
-#: cps/editbooks.py:309 cps/editbooks.py:311
+#: cps/editbooks.py:304 cps/editbooks.py:306
 msgid "Book Successfully Deleted"
 msgstr "书籍已成功删除"
 
-#: cps/editbooks.py:361
+#: cps/editbooks.py:358
 msgid "You are missing permissions to delete books"
-msgstr ""
+msgstr "您没有删除书籍的权限"
 
-#: cps/editbooks.py:376 cps/editbooks.py:763 cps/web.py:523 cps/web.py:1703
-#: cps/web.py:1744 cps/web.py:1811
+#: cps/editbooks.py:373 cps/editbooks.py:765 cps/web.py:518 cps/web.py:1783
+#: cps/web.py:1825 cps/web.py:1870
 msgid "Oops! Selected book title is unavailable. File does not exist or is not accessible"
 msgstr "糟糕！选择书名无法打开。文件不存在或者文件不可访问"
 
-#: cps/editbooks.py:410
+#: cps/editbooks.py:408
 msgid "edit metadata"
 msgstr "编辑元数据"
 
-#: cps/editbooks.py:458
+#: cps/editbooks.py:457
 #, python-format
 msgid "%(seriesindex)s is not a valid number, skipping"
 msgstr "%(seriesindex)s 不是一个有效的数值，忽略"
 
-#: cps/editbooks.py:494 cps/editbooks.py:958
+#: cps/editbooks.py:493 cps/editbooks.py:1001
 #, python-format
 msgid "'%(langname)s' is not a valid language"
 msgstr "'%(langname)s' 不是一种有效语言"
 
-#: cps/editbooks.py:634 cps/editbooks.py:985
+#: cps/editbooks.py:634
+msgid "User has no rights to upload additional file formats"
+msgstr "用户没有权限上传其他文件格式"
+
+#: cps/editbooks.py:639 cps/editbooks.py:1029
 #, python-format
 msgid "File extension '%(ext)s' is not allowed to be uploaded to this server"
 msgstr "不能上传文件扩展名为“%(ext)s”的文件到此服务器"
 
-#: cps/editbooks.py:638 cps/editbooks.py:989
+#: cps/editbooks.py:643 cps/editbooks.py:1033
 msgid "File to be uploaded must have an extension"
 msgstr "要上传的文件必须具有扩展名"
 
-#: cps/editbooks.py:650
+#: cps/editbooks.py:655
 #, python-format
 msgid "Failed to create path %(path)s (Permission denied)."
 msgstr "创建路径 %(path)s 失败(权限拒绝)。"
 
-#: cps/editbooks.py:655
+#: cps/editbooks.py:660
 #, python-format
 msgid "Failed to store file %(file)s."
 msgstr "保存文件 %(file)s 失败。"
 
-#: cps/editbooks.py:673 cps/editbooks.py:1076 cps/web.py:1664
-#, python-format
-msgid "Database error: %(error)s."
-msgstr "数据库错误：%(error)s。"
-
-#: cps/editbooks.py:678
+#: cps/editbooks.py:683
 #, python-format
 msgid "File format %(ext)s added to %(book)s"
 msgstr "已添加 %(ext)s 格式到 %(book)s"
 
-#: cps/editbooks.py:814
+#: cps/editbooks.py:697 cps/editbooks.py:809
+msgid "User has no rights to upload cover"
+msgstr "用户没有权限上传封面"
+
+#: cps/editbooks.py:828
 msgid "Identifiers are not Case Sensitive, Overwriting Old Identifier"
 msgstr "标识符不区分大小写，覆盖旧标识符"
 
-#: cps/editbooks.py:848
+#: cps/editbooks.py:869
 msgid "Metadata successfully updated"
 msgstr "已成功更新元数据"
 
-#: cps/editbooks.py:861
-msgid "Error editing book, please check logfile for details"
-msgstr "编辑书籍出错，请检查日志文件以获取详细信息"
+#: cps/editbooks.py:887
+msgid "Error editing book: {}"
+msgstr "编辑书籍时出错: {}"
 
-#: cps/editbooks.py:899
+#: cps/editbooks.py:951
 msgid "Uploaded book probably exists in the library, consider to change before upload new: "
 msgstr "上传的书籍可能已经存在，建议修改后重新上传： "
 
-#: cps/editbooks.py:997
+#: cps/editbooks.py:1041
 #, python-format
 msgid "File %(filename)s could not saved to temp dir"
 msgstr "文件 %(filename)s 无法保存到临时目录"
 
-#: cps/editbooks.py:1016
+#: cps/editbooks.py:1061
 #, python-format
 msgid "Failed to Move Cover File %(file)s: %(error)s"
 msgstr "移动封面文件失败 %(file)s：%(error)s"
 
-#: cps/editbooks.py:1063
+#: cps/editbooks.py:1117
 #, python-format
 msgid "File %(file)s uploaded"
 msgstr "文件 %(file)s 已上传"
 
-#: cps/editbooks.py:1088
+#: cps/editbooks.py:1143
 msgid "Source or destination format for conversion missing"
 msgstr "转换的源或目的格式缺失"
 
-#: cps/editbooks.py:1096
+#: cps/editbooks.py:1151
 #, python-format
 msgid "Book successfully queued for converting to %(book_format)s"
 msgstr "书籍已经被成功加入到 %(book_format)s 格式转换队列"
 
-#: cps/editbooks.py:1100
+#: cps/editbooks.py:1155
 #, python-format
 msgid "There was an error converting this book: %(res)s"
 msgstr "转换此书籍时出现错误： %(res)s"
@@ -600,174 +603,190 @@ msgstr "Google Drive 设置未完成，请尝试停用并再次激活Google云
 msgid "Callback domain is not verified, please follow steps to verify domain in google developer console"
 msgstr "回调域名尚未被校验，请在google开发者控制台按步骤校验域名"
 
-#: cps/helper.py:77
+#: cps/helper.py:81
 #, python-format
 msgid "%(format)s format not found for book id: %(book)d"
 msgstr "找不到id为 %(book)d 的书籍的 %(format)s 格式"
 
-#: cps/helper.py:83 cps/tasks/convert.py:73
+#: cps/helper.py:87 cps/tasks/convert.py:75
 #, python-format
 msgid "%(format)s not found on Google Drive: %(fn)s"
 msgstr "Google Drive %(fn)s 上找不到 %(format)s"
 
-#: cps/helper.py:88
+#: cps/helper.py:92
 #, python-format
 msgid "%(format)s not found: %(fn)s"
 msgstr "找不到 %(format)s：%(fn)s"
 
-#: cps/helper.py:93 cps/helper.py:217 cps/templates/detail.html:41
+#: cps/helper.py:97 cps/helper.py:221 cps/templates/detail.html:41
 #: cps/templates/detail.html:45
 msgid "Send to Kindle"
 msgstr "发送到Kindle"
 
-#: cps/helper.py:94 cps/helper.py:111 cps/helper.py:219
+#: cps/helper.py:98 cps/helper.py:115 cps/helper.py:223
 msgid "This e-mail has been sent via Calibre-Web."
 msgstr "此邮件已经通过Calibre-Web发送。"
 
-#: cps/helper.py:109
+#: cps/helper.py:113
 msgid "Calibre-Web test e-mail"
 msgstr "Calibre-Web测试邮件"
 
-#: cps/helper.py:110
+#: cps/helper.py:114
 msgid "Test e-mail"
 msgstr "测试邮件"
 
-#: cps/helper.py:127
+#: cps/helper.py:131
 msgid "Get Started with Calibre-Web"
 msgstr "开启Calibre-Web之旅"
 
-#: cps/helper.py:132
+#: cps/helper.py:136
 #, python-format
 msgid "Registration e-mail for user: %(name)s"
 msgstr "用户注册电子邮件：%(name)s"
 
-#: cps/helper.py:143 cps/helper.py:149
+#: cps/helper.py:147 cps/helper.py:153
 #, python-format
 msgid "Convert %(orig)s to %(format)s and send to Kindle"
 msgstr "转换 %(orig)s 到 %(format)s 并发送到Kindle"
 
-#: cps/helper.py:168 cps/helper.py:172 cps/helper.py:176
+#: cps/helper.py:172 cps/helper.py:176 cps/helper.py:180
 #, python-format
 msgid "Send %(format)s to Kindle"
 msgstr "发送 %(format)s 到Kindle"
 
-#: cps/helper.py:216 cps/tasks/convert.py:90
+#: cps/helper.py:220 cps/tasks/convert.py:92
 #, python-format
 msgid "%(book)s send to Kindle"
 msgstr "%(book)s发送到Kindle"
 
-#: cps/helper.py:221
+#: cps/helper.py:225
 msgid "The requested file could not be read. Maybe wrong permissions?"
 msgstr "无法读取请求的文件。可能有错误的权限设置？"
 
-#: cps/helper.py:313
+#: cps/helper.py:353
+msgid "Read status could not set: {}"
+msgstr "阅读状态无法设置: {}"
+
+#: cps/helper.py:376
 #, python-format
 msgid "Deleting bookfolder for book %(id)s failed, path has subfolders: %(path)s"
 msgstr "删除书的文件夹%(id)s失败，路径有子文件夹：%(path)s"
 
-#: cps/helper.py:319
+#: cps/helper.py:382
 #, python-format
 msgid "Deleting book %(id)s failed: %(message)s"
 msgstr "删除书籍 %(id)s失败：%(message)s"
 
-#: cps/helper.py:330
+#: cps/helper.py:393
 #, python-format
 msgid "Deleting book %(id)s from database only, book path in database not valid: %(path)s"
 msgstr "仅从数据库中删除书籍 %(id)s，数据库中的书籍路径无效： %(path)s"
 
-#: cps/helper.py:385
+#: cps/helper.py:458
 #, python-format
-msgid "Rename title from: '%(src)s' to '%(dest)s' failed with error: %(error)s"
-msgstr "将标题从“%(src)s”改为“%(dest)s”时失败，出错信息：%(error)s"
-
-#: cps/helper.py:400
-#, python-format
-msgid "Rename file in path '%(src)s' to '%(dest)s' failed with error: %(error)s"
-msgstr "从“%(src)s”重命名为“%(dest)s”失败，出错信息：%(error)s"
+msgid "Rename author from: '%(src)s' to '%(dest)s' failed with error: %(error)s"
+msgstr "将作者从“%(src)s”改为“%(dest)s”时失败，出错信息：%(error)s"
 
-#: cps/helper.py:425 cps/helper.py:435 cps/helper.py:443
+#: cps/helper.py:529 cps/helper.py:538
 #, python-format
 msgid "File %(file)s not found on Google Drive"
 msgstr "Google Drive上找不到文件 %(file)s"
 
-#: cps/helper.py:464
+#: cps/helper.py:572
+#, python-format
+msgid "Rename title from: '%(src)s' to '%(dest)s' failed with error: %(error)s"
+msgstr "将标题从“%(src)s”改为“%(dest)s”时失败，出错信息：%(error)s"
+
+#: cps/helper.py:592
+msgid "Error in rename file in path: {}"
+msgstr "重命名此路径: {}文件时出错"
+
+#: cps/helper.py:610
 #, python-format
 msgid "Book path %(path)s not found on Google Drive"
 msgstr "Google Drive上找不到书籍路径 %(path)s"
 
-#: cps/helper.py:504 cps/web.py:1659
+#: cps/helper.py:651 cps/web.py:1737
 msgid "Found an existing account for this e-mail address"
 msgstr "使用此邮箱的账号已经存在。"
 
-#: cps/helper.py:512
+#: cps/helper.py:659
 msgid "This username is already taken"
 msgstr "此用户名已被使用"
 
-#: cps/helper.py:522
+#: cps/helper.py:669
 msgid "Invalid e-mail address format"
 msgstr "无效的邮件地址格式"
 
-#: cps/helper.py:595
+#: cps/helper.py:754
+msgid "Python modul 'advocate' is not installed but is needed for cover downloads"
+msgstr "下载封面必须的 Python 模块'advocate' 未安装"
+
+#: cps/helper.py:767
 msgid "Error Downloading Cover"
 msgstr "下载封面时出错"
 
-#: cps/helper.py:598
+#: cps/helper.py:770
 msgid "Cover Format Error"
 msgstr "封面格式出错"
 
-#: cps/helper.py:608
+#: cps/helper.py:773
+msgid "You are not allowed to access localhost or the local network for cover uploads"
+msgstr "您没有访问本地主机或本地网络进行封面上传"
+
+#: cps/helper.py:783
 msgid "Failed to create path for cover"
 msgstr "创建封面路径失败"
 
-#: cps/helper.py:624
+#: cps/helper.py:799
 msgid "Cover-file is not a valid image file, or could not be stored"
 msgstr "封面文件不是有效的图片文件，或者无法存储"
 
-#: cps/helper.py:635
+#: cps/helper.py:810
 msgid "Only jpg/jpeg/png/webp/bmp files are supported as coverfile"
 msgstr "封面文件只支持jpg/jpeg/png/webp/bmp文件"
 
-#: cps/helper.py:648
+#: cps/helper.py:822
 msgid "Invalid cover file content"
 msgstr "封面文件内容无效"
 
-#: cps/helper.py:652
+#: cps/helper.py:826
 msgid "Only jpg/jpeg files are supported as coverfile"
 msgstr "仅将jpg、jpeg文件作为封面文件"
 
-#: cps/helper.py:704
+#: cps/helper.py:878
 msgid "Unrar binary file not found"
 msgstr "找不到Unrar执行文件"
 
-#: cps/helper.py:715
+#: cps/helper.py:889
 msgid "Error excecuting UnRar"
 msgstr "执行UnRar时出错"
 
-#: cps/helper.py:763
+#: cps/helper.py:937
 msgid "Waiting"
 msgstr "等待中"
 
-#: cps/helper.py:765
+#: cps/helper.py:939
 msgid "Failed"
 msgstr "失败"
 
-#: cps/helper.py:767
+#: cps/helper.py:941
 msgid "Started"
 msgstr "已开始"
 
-#: cps/helper.py:769
+#: cps/helper.py:943
 msgid "Finished"
 msgstr "已完成"
 
-#: cps/helper.py:771
+#: cps/helper.py:945
 msgid "Unknown Status"
 msgstr "未知状态"
 
-#: cps/kobo_auth.py:127
-msgid "PLease access calibre-web from non localhost to get valid api_endpoint for kobo device"
+#: cps/kobo_auth.py:128
+msgid "Please access Calibre-Web from non localhost to get valid api_endpoint for kobo device"
 msgstr "请不要使用localhost访问Calibre-Web，以便Kobo设备能获取有效的api_endpoint"
 
-#: cps/kobo_auth.py:130 cps/kobo_auth.py:158
+#: cps/kobo_auth.py:154
 msgid "Kobo Setup"
 msgstr "Kobo 设置"
 
@@ -776,7 +795,7 @@ msgstr "Kobo 设置"
 msgid "Register with %(provider)s"
 msgstr "使用 %(provider)s 注册"
 
-#: cps/oauth_bb.py:138 cps/remotelogin.py:133 cps/web.py:1535
+#: cps/oauth_bb.py:138 cps/remotelogin.py:130 cps/web.py:1613
 #, python-format
 msgid "you are now logged in as: '%(nickname)s'"
 msgstr "您现在已以“%(nickname)s”身份登录"
@@ -837,163 +856,163 @@ msgstr "Google Oauth 错误，请重试。"
 msgid "Google Oauth error: {}"
 msgstr "Google Oauth 错误: {}"
 
-#: cps/opds.py:384
+#: cps/opds.py:298
 msgid "{} Stars"
 msgstr "{} 星"
 
-#: cps/remotelogin.py:65 cps/templates/layout.html:84
-#: cps/templates/login.html:4 cps/templates/login.html:21 cps/web.py:1584
+#: cps/remotelogin.py:62 cps/templates/layout.html:84
+#: cps/templates/login.html:4 cps/templates/login.html:21 cps/web.py:1662
 msgid "Login"
 msgstr "登录"
 
-#: cps/remotelogin.py:77 cps/remotelogin.py:111
+#: cps/remotelogin.py:74 cps/remotelogin.py:108
 msgid "Token not found"
 msgstr "找不到Token"
 
-#: cps/remotelogin.py:86 cps/remotelogin.py:119
+#: cps/remotelogin.py:83 cps/remotelogin.py:116
 msgid "Token has expired"
 msgstr "Token已过期"
 
-#: cps/remotelogin.py:95
+#: cps/remotelogin.py:92
 msgid "Success! Please return to your device"
 msgstr "成功！请返回您的设备"
 
-#: cps/render_template.py:39 cps/web.py:416
+#: cps/render_template.py:41 cps/web.py:407
 msgid "Books"
 msgstr "书籍"
 
-#: cps/render_template.py:41
+#: cps/render_template.py:43
 msgid "Show recent books"
 msgstr "显示最近书籍"
 
-#: cps/render_template.py:42 cps/templates/index.xml:25
+#: cps/render_template.py:44 cps/templates/index.xml:25
 msgid "Hot Books"
 msgstr "热门书籍"
 
-#: cps/render_template.py:44
+#: cps/render_template.py:46
 msgid "Show Hot Books"
 msgstr "显示热门书籍"
 
-#: cps/render_template.py:46 cps/render_template.py:51
+#: cps/render_template.py:48 cps/render_template.py:53
 msgid "Downloaded Books"
 msgstr "下载历史"
 
-#: cps/render_template.py:48 cps/render_template.py:53
+#: cps/render_template.py:50 cps/render_template.py:55
 #: cps/templates/user_table.html:167
 msgid "Show Downloaded Books"
 msgstr "显示下载过的书籍"
 
-#: cps/render_template.py:56 cps/templates/index.xml:32 cps/web.py:430
+#: cps/render_template.py:58 cps/templates/index.xml:32 cps/web.py:422
 msgid "Top Rated Books"
 msgstr "最高评分书籍"
 
-#: cps/render_template.py:58 cps/templates/user_table.html:161
+#: cps/render_template.py:60 cps/templates/user_table.html:161
 msgid "Show Top Rated Books"
 msgstr "显示最高评分书籍"
 
-#: cps/render_template.py:59 cps/templates/index.xml:54
-#: cps/templates/index.xml:58 cps/web.py:676
+#: cps/render_template.py:61 cps/templates/index.xml:54
+#: cps/templates/index.xml:58 cps/web.py:729
 msgid "Read Books"
 msgstr "已读书籍"
 
-#: cps/render_template.py:61
+#: cps/render_template.py:63
 msgid "Show read and unread"
 msgstr "显示阅读状态"
 
-#: cps/render_template.py:63 cps/templates/index.xml:61
-#: cps/templates/index.xml:65 cps/web.py:679
+#: cps/render_template.py:65 cps/templates/index.xml:61
+#: cps/templates/index.xml:65 cps/web.py:732
 msgid "Unread Books"
 msgstr "未读书籍"
 
-#: cps/render_template.py:65
+#: cps/render_template.py:67
 msgid "Show unread"
 msgstr "显示未读"
 
-#: cps/render_template.py:66
+#: cps/render_template.py:68
 msgid "Discover"
 msgstr "发现"
 
-#: cps/render_template.py:68 cps/templates/index.xml:50
+#: cps/render_template.py:70 cps/templates/index.xml:50
 #: cps/templates/user_table.html:162
 msgid "Show Random Books"
 msgstr "显示随机书籍"
 
-#: cps/render_template.py:69 cps/templates/book_table.html:67
-#: cps/templates/index.xml:83 cps/web.py:1041
+#: cps/render_template.py:71 cps/templates/book_table.html:67
+#: cps/templates/index.xml:83 cps/web.py:1135
 msgid "Categories"
 msgstr "分类"
 
-#: cps/render_template.py:71 cps/templates/user_table.html:158
+#: cps/render_template.py:73 cps/templates/user_table.html:158
 msgid "Show category selection"
 msgstr "显示分类选择"
 
-#: cps/render_template.py:72 cps/templates/book_edit.html:90
+#: cps/render_template.py:74 cps/templates/book_edit.html:90
 #: cps/templates/book_table.html:68 cps/templates/index.xml:90
-#: cps/templates/search_form.html:69 cps/web.py:948 cps/web.py:959
+#: cps/templates/search_form.html:69 cps/web.py:1034 cps/web.py:1041
 msgid "Series"
 msgstr "丛书"
 
-#: cps/render_template.py:74 cps/templates/user_table.html:157
+#: cps/render_template.py:76 cps/templates/user_table.html:157
 msgid "Show series selection"
 msgstr "显示丛书选择"
 
-#: cps/render_template.py:75 cps/templates/book_table.html:66
+#: cps/render_template.py:77 cps/templates/book_table.html:66
 #: cps/templates/index.xml:69
 msgid "Authors"
 msgstr "作者"
 
-#: cps/render_template.py:77 cps/templates/user_table.html:160
+#: cps/render_template.py:79 cps/templates/user_table.html:160
 msgid "Show author selection"
 msgstr "显示作者选择"
 
-#: cps/render_template.py:79 cps/templates/book_table.html:72
-#: cps/templates/index.xml:76 cps/web.py:925
+#: cps/render_template.py:81 cps/templates/book_table.html:72
+#: cps/templates/index.xml:76 cps/web.py:1006
 msgid "Publishers"
 msgstr "出版社"
 
-#: cps/render_template.py:81 cps/templates/user_table.html:163
+#: cps/render_template.py:83 cps/templates/user_table.html:163
 msgid "Show publisher selection"
 msgstr "显示出版社选择"
 
-#: cps/render_template.py:82 cps/templates/book_table.html:70
+#: cps/render_template.py:84 cps/templates/book_table.html:70
 #: cps/templates/index.xml:97 cps/templates/search_form.html:107
-#: cps/web.py:1018
+#: cps/web.py:1108
 msgid "Languages"
 msgstr "语言"
 
-#: cps/render_template.py:85 cps/templates/user_table.html:155
+#: cps/render_template.py:87 cps/templates/user_table.html:155
 msgid "Show language selection"
 msgstr "显示语言选择"
 
-#: cps/render_template.py:86 cps/templates/index.xml:104
+#: cps/render_template.py:88 cps/templates/index.xml:104
 msgid "Ratings"
 msgstr "评分"
 
-#: cps/render_template.py:88 cps/templates/user_table.html:164
+#: cps/render_template.py:90 cps/templates/user_table.html:164
 msgid "Show ratings selection"
 msgstr "显示评分选择"
 
-#: cps/render_template.py:89 cps/templates/index.xml:112
+#: cps/render_template.py:91 cps/templates/index.xml:112
 msgid "File formats"
 msgstr "文件格式"
 
-#: cps/render_template.py:91 cps/templates/user_table.html:165
+#: cps/render_template.py:93 cps/templates/user_table.html:165
 msgid "Show file formats selection"
 msgstr "显示文件格式选择"
 
-#: cps/render_template.py:93 cps/web.py:703
+#: cps/render_template.py:95 cps/web.py:755
 msgid "Archived Books"
 msgstr "归档书籍"
 
-#: cps/render_template.py:95 cps/templates/user_table.html:166
+#: cps/render_template.py:97 cps/templates/user_table.html:166
 msgid "Show archived books"
 msgstr "显示归档书籍"
 
-#: cps/render_template.py:97 cps/web.py:780
+#: cps/render_template.py:100 cps/web.py:837
 msgid "Books List"
 msgstr "书籍列表"
 
-#: cps/render_template.py:99 cps/templates/user_table.html:168
+#: cps/render_template.py:102 cps/templates/user_table.html:168
 msgid "Show Books List"
 msgstr "显示书籍列表"
 
@@ -1017,7 +1036,7 @@ msgstr "此书籍已被添加到书架：%(sname)s"
 
 #: cps/shelf.py:126
 msgid "You are not allowed to add a book to the shelf"
-msgstr "你没有向书架添加书籍的权限"
+msgstr "您没有向书架添加书籍的权限"
 
 #: cps/shelf.py:144
 #, python-format
@@ -1041,267 +1060,270 @@ msgstr "此书已从书架 %(sname)s 中删除"
 
 #: cps/shelf.py:218
 msgid "Sorry you are not allowed to remove a book from this shelf"
-msgstr "抱歉，你没有从这个书架删除书籍的权限"
+msgstr "抱歉，您没有从这个书架删除书籍的权限"
 
 #: cps/shelf.py:228 cps/templates/layout.html:140
 msgid "Create a Shelf"
 msgstr "创建书架"
 
-#: cps/shelf.py:237
+#: cps/shelf.py:236
 msgid "Sorry you are not allowed to edit this shelf"
 msgstr "对不起，您没有编辑这个书架的权限"
 
-#: cps/shelf.py:239
+#: cps/shelf.py:238
 msgid "Edit a shelf"
 msgstr "编辑书架"
 
-#: cps/shelf.py:249
+#: cps/shelf.py:248
 msgid "Sorry you are not allowed to create a public shelf"
-msgstr "抱歉，你没有创建公开书架的权限"
+msgstr "抱歉，您没有创建公开书架的权限"
 
-#: cps/shelf.py:266
+#: cps/shelf.py:265
 #, python-format
 msgid "Shelf %(title)s created"
 msgstr "书架 %(title)s 已创建"
 
-#: cps/shelf.py:269
+#: cps/shelf.py:268
 #, python-format
 msgid "Shelf %(title)s changed"
 msgstr "书架 %(title)s 已修改"
 
-#: cps/shelf.py:283
+#: cps/shelf.py:282
 msgid "There was an error"
 msgstr "发生错误"
 
-#: cps/shelf.py:305
+#: cps/shelf.py:304
 #, python-format
 msgid "A public shelf with the name '%(title)s' already exists."
 msgstr "公共书架：%(title)s已经存在已经存在。"
 
-#: cps/shelf.py:316
+#: cps/shelf.py:315
 #, python-format
 msgid "A private shelf with the name '%(title)s' already exists."
 msgstr "私有书架：%(title)s已经存在已经存在。"
 
 #: cps/shelf.py:337
-#, fuzzy
+msgid "Error deleting Shelf"
+msgstr "删除书架时出错"
+
+#: cps/shelf.py:339
 msgid "Shelf successfully deleted"
-msgstr "书籍已成功删除"
+msgstr "书架已成功删除"
 
-#: cps/shelf.py:386
+#: cps/shelf.py:389
 #, python-format
 msgid "Change order of Shelf: '%(name)s'"
 msgstr "修改书架 %(name)s 顺序"
 
-#: cps/shelf.py:456
+#: cps/shelf.py:461
 #, python-format
 msgid "Shelf: '%(name)s'"
 msgstr "书架：%(name)s"
 
-#: cps/shelf.py:460
+#: cps/shelf.py:465
 msgid "Error opening shelf. Shelf does not exist or is not accessible"
 msgstr "打开书架出错。书架不存在或不可访问"
 
-#: cps/updater.py:403 cps/updater.py:414 cps/updater.py:514 cps/updater.py:529
+#: cps/updater.py:426 cps/updater.py:437 cps/updater.py:538 cps/updater.py:553
 msgid "Unexpected data while reading update information"
 msgstr "读取更新信息时出现意外数据"
 
-#: cps/updater.py:410 cps/updater.py:521
+#: cps/updater.py:433 cps/updater.py:545
 msgid "No update available. You already have the latest version installed"
 msgstr "无可用更新。您已经安装了最新版本"
 
-#: cps/updater.py:428
+#: cps/updater.py:451
 msgid "A new update is available. Click on the button below to update to the latest version."
 msgstr "有新的更新。单击下面的按钮以更新到最新版本。"
 
-#: cps/updater.py:446
+#: cps/updater.py:469
 msgid "Could not fetch update information"
 msgstr "无法获取更新信息"
 
-#: cps/updater.py:456
+#: cps/updater.py:479
 msgid "Click on the button below to update to the latest stable version."
 msgstr "点击下面按钮更新到最新稳定版本。"
 
-#: cps/updater.py:465 cps/updater.py:479 cps/updater.py:490
+#: cps/updater.py:488 cps/updater.py:502 cps/updater.py:513
 #, python-format
 msgid "A new update is available. Click on the button below to update to version: %(version)s"
 msgstr "有新的更新。单击下面的按钮以更新到版本: %(version)s"
 
-#: cps/updater.py:507
+#: cps/updater.py:531
 msgid "No release information available"
 msgstr "无可用发布信息"
 
-#: cps/templates/index.html:5 cps/web.py:440
+#: cps/templates/index.html:5 cps/web.py:434
 msgid "Discover (Random Books)"
 msgstr "发现(随机书籍)"
 
-#: cps/web.py:471
+#: cps/web.py:470
 msgid "Hot Books (Most Downloaded)"
 msgstr "热门书籍（最多下载）"
 
-#: cps/web.py:507
+#: cps/web.py:501
 #, python-format
 msgid "Downloaded books by %(user)s"
 msgstr "%(user)s 下载过的书籍"
 
-#: cps/web.py:539
+#: cps/web.py:534
 #, python-format
 msgid "Author: %(name)s"
 msgstr "作者：%(name)s"
 
-#: cps/web.py:554
+#: cps/web.py:570
 #, python-format
 msgid "Publisher: %(name)s"
 msgstr "出版社：%(name)s"
 
-#: cps/web.py:569
+#: cps/web.py:598
 #, python-format
 msgid "Series: %(serie)s"
 msgstr "丛书：%(serie)s"
 
-#: cps/web.py:582
+#: cps/web.py:610
 #, python-format
 msgid "Rating: %(rating)s stars"
 msgstr "评分：%(rating)s 星"
 
-#: cps/web.py:597
+#: cps/web.py:626
 #, python-format
 msgid "File format: %(format)s"
 msgstr "文件格式：%(format)s"
 
-#: cps/web.py:615
+#: cps/web.py:663
 #, python-format
 msgid "Category: %(name)s"
 msgstr "分类：%(name)s"
 
-#: cps/web.py:631
+#: cps/web.py:690
 #, python-format
 msgid "Language: %(name)s"
 msgstr "语言：%(name)s"
 
-#: cps/templates/layout.html:56 cps/web.py:737 cps/web.py:1371
+#: cps/templates/layout.html:56 cps/web.py:789 cps/web.py:1444
 msgid "Advanced Search"
 msgstr "高级搜索"
 
 #: cps/templates/book_edit.html:235 cps/templates/feed.xml:33
 #: cps/templates/index.xml:11 cps/templates/layout.html:45
 #: cps/templates/layout.html:48 cps/templates/search_form.html:226
-#: cps/web.py:750 cps/web.py:1077
+#: cps/web.py:807 cps/web.py:1164
 msgid "Search"
 msgstr "搜索"
 
-#: cps/templates/admin.html:16 cps/web.py:903
+#: cps/templates/admin.html:16 cps/web.py:979
 msgid "Downloads"
 msgstr "下载次数"
 
-#: cps/web.py:980
+#: cps/web.py:1068
 msgid "Ratings list"
 msgstr "评分列表"
 
-#: cps/web.py:1001
+#: cps/web.py:1095
 msgid "File formats list"
 msgstr "文件格式列表"
 
-#: cps/templates/layout.html:73 cps/templates/tasks.html:7 cps/web.py:1055
+#: cps/templates/layout.html:73 cps/templates/tasks.html:7 cps/web.py:1149
 msgid "Tasks"
 msgstr "任务列表"
 
-#: cps/web.py:1215
+#: cps/web.py:1286
 msgid "Published after "
 msgstr "出版时间晚于 "
 
-#: cps/web.py:1222
+#: cps/web.py:1293
 msgid "Published before "
 msgstr "出版时间早于 "
 
-#: cps/web.py:1244
+#: cps/web.py:1315
 #, python-format
 msgid "Rating <= %(rating)s"
 msgstr "评分 <= %(rating)s"
 
-#: cps/web.py:1246
+#: cps/web.py:1317
 #, python-format
 msgid "Rating >= %(rating)s"
 msgstr "评分 >= %(rating)s"
 
-#: cps/web.py:1248
+#: cps/web.py:1319
 #, python-format
 msgid "Read Status = %(status)s"
 msgstr "阅读状态 = %(status)s"
 
-#: cps/web.py:1353
+#: cps/web.py:1425
 msgid "Error on search for custom columns, please restart Calibre-Web"
 msgstr "搜索自定义列时出错，请重启 Calibre-Web"
 
-#: cps/web.py:1449
+#: cps/web.py:1527
 #, python-format
 msgid "Book successfully queued for sending to %(kindlemail)s"
 msgstr "书籍已经成功加入 %(kindlemail)s 的发送队列"
 
-#: cps/web.py:1453
+#: cps/web.py:1531
 #, python-format
 msgid "Oops! There was an error sending this book: %(res)s"
 msgstr "糟糕！发送这本书籍的时候出现错误：%(res)s"
 
-#: cps/web.py:1455
+#: cps/web.py:1533
 msgid "Please update your profile with a valid Send to Kindle E-mail Address."
 msgstr "请先配置您的kindle邮箱。"
 
-#: cps/web.py:1472
+#: cps/web.py:1550
 msgid "E-Mail server is not configured, please contact your administrator!"
 msgstr "邮件服务未配置，请联系网站管理员！"
 
-#: cps/templates/layout.html:85 cps/templates/register.html:17 cps/web.py:1473
-#: cps/web.py:1480 cps/web.py:1486 cps/web.py:1505 cps/web.py:1509
-#: cps/web.py:1515
+#: cps/templates/layout.html:85 cps/templates/register.html:17 cps/web.py:1551
+#: cps/web.py:1558 cps/web.py:1564 cps/web.py:1583 cps/web.py:1587
+#: cps/web.py:1593
 msgid "Register"
 msgstr "注册"
 
-#: cps/web.py:1507
+#: cps/web.py:1585
 msgid "Your e-mail is not allowed to register"
 msgstr "您的电子邮件不允许注册"
 
-#: cps/web.py:1510
+#: cps/web.py:1588
 msgid "Confirmation e-mail was send to your e-mail account."
 msgstr "确认邮件已经发送到您的邮箱。"
 
-#: cps/web.py:1524
+#: cps/web.py:1602
 msgid "Cannot activate LDAP authentication"
 msgstr "无法激活LDAP认证"
 
-#: cps/web.py:1543
+#: cps/web.py:1621
 #, python-format
 msgid "Fallback Login as: '%(nickname)s', LDAP Server not reachable, or user not known"
 msgstr "后备登录“%(nickname)s”：无法访问LDAP服务器，或用户未知"
 
-#: cps/web.py:1549
+#: cps/web.py:1627
 #, python-format
 msgid "Could not login: %(message)s"
 msgstr "无法登录：%(message)s"
 
-#: cps/web.py:1553 cps/web.py:1578
+#: cps/web.py:1631 cps/web.py:1656
 msgid "Wrong Username or Password"
 msgstr "用户名或密码错误"
 
-#: cps/web.py:1560
+#: cps/web.py:1638
 msgid "New Password was send to your email address"
 msgstr "新密码已发送到您的邮箱"
 
-#: cps/web.py:1566
+#: cps/web.py:1644
 msgid "Please enter valid username to reset password"
 msgstr "请输入有效的用户名进行密码重置"
 
-#: cps/web.py:1573
+#: cps/web.py:1651
 #, python-format
 msgid "You are now logged in as: '%(nickname)s'"
 msgstr "您现在已以“%(nickname)s”登录"
 
-#: cps/web.py:1639 cps/web.py:1688
+#: cps/web.py:1717 cps/web.py:1766
 #, python-format
 msgid "%(name)s's profile"
 msgstr "%(name)s 的用户配置"
 
-#: cps/web.py:1655
+#: cps/web.py:1733
 msgid "Profile updated"
 msgstr "资料已更新"
 
@@ -1309,36 +1331,36 @@ msgstr "资料已更新"
 msgid "Found no valid gmail.json file with OAuth information"
 msgstr "找不到包含 OAuth 信息的有效 gmail.json 文件"
 
-#: cps/tasks/convert.py:137
+#: cps/tasks/convert.py:154
 #, python-format
 msgid "Calibre ebook-convert %(tool)s not found"
 msgstr "Calibre 电子书转换器%(tool)s没有发现"
 
-#: cps/tasks/convert.py:163
+#: cps/tasks/convert.py:187
 #, python-format
 msgid "%(format)s format not found on disk"
 msgstr "硬盘上找不到 %(format)s 格式"
 
-#: cps/tasks/convert.py:167
+#: cps/tasks/convert.py:191
 msgid "Ebook converter failed with unknown error"
 msgstr "发生未知错误，书籍转换失败"
 
-#: cps/tasks/convert.py:177
+#: cps/tasks/convert.py:201
 #, python-format
 msgid "Kepubify-converter failed: %(error)s"
 msgstr "Kepubify 转换失败：%(error)s"
 
-#: cps/tasks/convert.py:199
+#: cps/tasks/convert.py:223
 #, python-format
 msgid "Converted file not found or more than one file in folder %(folder)s"
 msgstr "找不到转换后的文件或文件夹%(folder)s中有多个文件"
 
-#: cps/tasks/convert.py:222
+#: cps/tasks/convert.py:246
 #, python-format
 msgid "Ebook-converter failed: %(error)s"
 msgstr "电子书转换器失败： %(error)s"
 
-#: cps/tasks/convert.py:245
+#: cps/tasks/convert.py:269
 #, python-format
 msgid "Calibre failed with error: %(error)s"
 msgstr "Calibre 运行失败，错误信息：%(error)s"
@@ -1393,7 +1415,7 @@ msgid "Edit"
 msgstr "编辑书籍"
 
 #: cps/templates/admin.html:25 cps/templates/book_edit.html:16
-#: cps/templates/book_table.html:97 cps/templates/modal_dialogs.html:63
+#: cps/templates/book_table.html:100 cps/templates/modal_dialogs.html:63
 #: cps/templates/modal_dialogs.html:116 cps/templates/user_edit.html:67
 #: cps/templates/user_table.html:149
 msgid "Delete"
@@ -1403,179 +1425,179 @@ msgstr "删除数据"
 msgid "Public Shelf"
 msgstr "公共书架"
 
-#: cps/templates/admin.html:51
+#: cps/templates/admin.html:53
 msgid "Add New User"
 msgstr "添加新用户"
 
-#: cps/templates/admin.html:53
+#: cps/templates/admin.html:55
 msgid "Import LDAP Users"
 msgstr "导入LDAP用户"
 
-#: cps/templates/admin.html:60
+#: cps/templates/admin.html:62
 msgid "E-mail Server Settings"
 msgstr "SMTP邮件服务器设置"
 
-#: cps/templates/admin.html:65 cps/templates/email_edit.html:31
+#: cps/templates/admin.html:67 cps/templates/email_edit.html:31
 msgid "SMTP Hostname"
 msgstr "SMTP主机名"
 
-#: cps/templates/admin.html:69 cps/templates/email_edit.html:35
+#: cps/templates/admin.html:71 cps/templates/email_edit.html:35
 msgid "SMTP Port"
 msgstr "SMTP端口"
 
-#: cps/templates/admin.html:73 cps/templates/email_edit.html:39
+#: cps/templates/admin.html:75 cps/templates/email_edit.html:39
 msgid "Encryption"
 msgstr "加密"
 
-#: cps/templates/admin.html:77 cps/templates/email_edit.html:47
+#: cps/templates/admin.html:79 cps/templates/email_edit.html:47
 msgid "SMTP Login"
 msgstr "SMTP用户名"
 
-#: cps/templates/admin.html:81 cps/templates/admin.html:92
+#: cps/templates/admin.html:83 cps/templates/admin.html:94
 #: cps/templates/email_edit.html:55
 msgid "From E-mail"
 msgstr "发件人邮箱"
 
-#: cps/templates/admin.html:88
+#: cps/templates/admin.html:90
 msgid "E-Mail Service"
 msgstr "电子邮件服务"
 
-#: cps/templates/admin.html:89
+#: cps/templates/admin.html:91
 msgid "Gmail via Oauth2"
 msgstr "通过Oauth2的Gmail"
 
-#: cps/templates/admin.html:104
+#: cps/templates/admin.html:106
 msgid "Configuration"
 msgstr "配置"
 
-#: cps/templates/admin.html:107
+#: cps/templates/admin.html:109
 msgid "Calibre Database Directory"
 msgstr "Calibre 数据库路径"
 
-#: cps/templates/admin.html:111 cps/templates/config_edit.html:68
+#: cps/templates/admin.html:113 cps/templates/config_edit.html:68
 msgid "Log Level"
 msgstr "日志级别"
 
-#: cps/templates/admin.html:115
+#: cps/templates/admin.html:117
 msgid "Port"
 msgstr "端口"
 
-#: cps/templates/admin.html:120
+#: cps/templates/admin.html:122
 msgid "External Port"
 msgstr "扩展端口"
 
-#: cps/templates/admin.html:127 cps/templates/config_view_edit.html:28
+#: cps/templates/admin.html:129 cps/templates/config_view_edit.html:28
 msgid "Books per Page"
 msgstr "每页书籍数"
 
-#: cps/templates/admin.html:131
+#: cps/templates/admin.html:133
 msgid "Uploads"
 msgstr "上传"
 
-#: cps/templates/admin.html:135
+#: cps/templates/admin.html:137
 msgid "Anonymous Browsing"
 msgstr "匿名浏览"
 
-#: cps/templates/admin.html:139
+#: cps/templates/admin.html:141
 msgid "Public Registration"
 msgstr "开放注册"
 
-#: cps/templates/admin.html:143
+#: cps/templates/admin.html:145
 msgid "Magic Link Remote Login"
 msgstr "魔法链接远程登录"
 
-#: cps/templates/admin.html:147
+#: cps/templates/admin.html:149
 msgid "Reverse Proxy Login"
 msgstr "反向代理登录"
 
-#: cps/templates/admin.html:152 cps/templates/config_edit.html:173
+#: cps/templates/admin.html:154 cps/templates/config_edit.html:173
 msgid "Reverse Proxy Header Name"
 msgstr "反向代理头部名称"
 
-#: cps/templates/admin.html:157
+#: cps/templates/admin.html:159
 msgid "Edit Calibre Database Configuration"
 msgstr "编辑Calibre数据库配置"
 
-#: cps/templates/admin.html:158
+#: cps/templates/admin.html:160
 msgid "Edit Basic Configuration"
 msgstr "编辑基本配置"
 
-#: cps/templates/admin.html:159
+#: cps/templates/admin.html:161
 msgid "Edit UI Configuration"
 msgstr "编辑界面配置"
 
-#: cps/templates/admin.html:164
+#: cps/templates/admin.html:166
 msgid "Administration"
 msgstr "管理"
 
-#: cps/templates/admin.html:165
+#: cps/templates/admin.html:167
 msgid "Download Debug Package"
 msgstr "下载Debug包"
 
-#: cps/templates/admin.html:166
+#: cps/templates/admin.html:168
 msgid "View Logs"
 msgstr "查看日志文件"
 
-#: cps/templates/admin.html:169
+#: cps/templates/admin.html:171
 msgid "Reconnect Calibre Database"
 msgstr "重新连接到Calibre数据库"
 
-#: cps/templates/admin.html:170
+#: cps/templates/admin.html:172
 msgid "Restart"
 msgstr "重启"
 
-#: cps/templates/admin.html:171
+#: cps/templates/admin.html:173
 msgid "Shutdown"
 msgstr "停止"
 
-#: cps/templates/admin.html:176
+#: cps/templates/admin.html:178
 msgid "Update"
 msgstr "更新"
 
-#: cps/templates/admin.html:180
+#: cps/templates/admin.html:182
 msgid "Version"
 msgstr "版本"
 
-#: cps/templates/admin.html:181
+#: cps/templates/admin.html:183
 msgid "Details"
 msgstr "详情"
 
-#: cps/templates/admin.html:187
+#: cps/templates/admin.html:189
 msgid "Current version"
 msgstr "当前版本"
 
-#: cps/templates/admin.html:194
+#: cps/templates/admin.html:196
 msgid "Check for Update"
 msgstr "检查更新"
 
-#: cps/templates/admin.html:195
+#: cps/templates/admin.html:197
 msgid "Perform Update"
 msgstr "执行更新"
 
-#: cps/templates/admin.html:208
+#: cps/templates/admin.html:210
 msgid "Are you sure you want to restart?"
 msgstr "您确定要重启吗？"
 
-#: cps/templates/admin.html:213 cps/templates/admin.html:227
-#: cps/templates/admin.html:247 cps/templates/config_db.html:70
+#: cps/templates/admin.html:215 cps/templates/admin.html:229
+#: cps/templates/admin.html:249 cps/templates/config_db.html:70
 msgid "OK"
 msgstr "确定"
 
-#: cps/templates/admin.html:214 cps/templates/admin.html:228
-#: cps/templates/book_edit.html:213 cps/templates/book_table.html:124
+#: cps/templates/admin.html:216 cps/templates/admin.html:230
+#: cps/templates/book_edit.html:213 cps/templates/book_table.html:127
 #: cps/templates/config_db.html:54 cps/templates/config_edit.html:359
-#: cps/templates/config_view_edit.html:173 cps/templates/modal_dialogs.html:64
+#: cps/templates/config_view_edit.html:175 cps/templates/modal_dialogs.html:64
 #: cps/templates/modal_dialogs.html:99 cps/templates/modal_dialogs.html:117
 #: cps/templates/modal_dialogs.html:135 cps/templates/shelf_edit.html:27
 #: cps/templates/user_edit.html:144
 msgid "Cancel"
 msgstr "取消"
 
-#: cps/templates/admin.html:226
+#: cps/templates/admin.html:228
 msgid "Are you sure you want to shutdown?"
 msgstr "您确定要关闭吗？"
 
-#: cps/templates/admin.html:238
+#: cps/templates/admin.html:240
 msgid "Updating, please do not reload this page"
 msgstr "正在更新，请不要刷新页面"
 
@@ -1587,44 +1609,43 @@ msgstr "通过"
 msgid "In Library"
 msgstr "在书库"
 
-#: cps/templates/author.html:26 cps/templates/index.html:72
-#: cps/templates/search.html:29 cps/templates/shelf.html:19
+#: cps/templates/author.html:26 cps/templates/index.html:73
+#: cps/templates/search.html:30 cps/templates/shelf.html:19
 msgid "Sort according to book date, newest first"
 msgstr "按图书日期排序，最新优先"
 
-#: cps/templates/author.html:27 cps/templates/index.html:73
-#: cps/templates/search.html:30 cps/templates/shelf.html:20
+#: cps/templates/author.html:27 cps/templates/index.html:74
+#: cps/templates/search.html:31 cps/templates/shelf.html:20
 msgid "Sort according to book date, oldest first"
 msgstr "按图书日期排序，最旧优先"
 
-#: cps/templates/author.html:28 cps/templates/index.html:74
-#: cps/templates/search.html:31 cps/templates/shelf.html:21
+#: cps/templates/author.html:28 cps/templates/index.html:75
+#: cps/templates/search.html:32 cps/templates/shelf.html:21
 msgid "Sort title in alphabetical order"
 msgstr "按标题按字母顺序排序"
 
-#: cps/templates/author.html:29 cps/templates/index.html:75
-#: cps/templates/search.html:32 cps/templates/shelf.html:22
+#: cps/templates/author.html:29 cps/templates/index.html:76
+#: cps/templates/search.html:33 cps/templates/shelf.html:22
 msgid "Sort title in reverse alphabetical order"
 msgstr "按标题逆字母顺序排序"
 
-#: cps/templates/author.html:30 cps/templates/index.html:78
-#: cps/templates/search.html:35 cps/templates/shelf.html:25
+#: cps/templates/author.html:30 cps/templates/index.html:79
+#: cps/templates/search.html:36 cps/templates/shelf.html:25
 msgid "Sort according to publishing date, newest first"
 msgstr "按出版日期排序，最新优先"
 
-#: cps/templates/author.html:31 cps/templates/index.html:79
-#: cps/templates/search.html:36 cps/templates/shelf.html:26
+#: cps/templates/author.html:31 cps/templates/index.html:80
+#: cps/templates/search.html:37 cps/templates/shelf.html:26
 msgid "Sort according to publishing date, oldest first"
 msgstr "按出版日期排序，最旧优先"
 
-#: cps/templates/author.html:57 cps/templates/author.html:117
-#: cps/templates/discover.html:30 cps/templates/index.html:29
-#: cps/templates/index.html:111 cps/templates/search.html:65
-#: cps/templates/shelf.html:54
+#: cps/templates/author.html:56 cps/templates/author.html:115
+#: cps/templates/index.html:29 cps/templates/index.html:112
+#: cps/templates/search.html:66 cps/templates/shelf.html:54
 msgid "reduce"
 msgstr "减少"
 
-#: cps/templates/author.html:101
+#: cps/templates/author.html:99
 msgid "More by"
 msgstr "更多"
 
@@ -1749,7 +1770,7 @@ msgid "Fetch Metadata"
 msgstr "获取元数据"
 
 #: cps/templates/book_edit.html:212 cps/templates/config_db.html:53
-#: cps/templates/config_edit.html:358 cps/templates/config_view_edit.html:172
+#: cps/templates/config_edit.html:358 cps/templates/config_view_edit.html:174
 #: cps/templates/email_edit.html:65 cps/templates/shelf_edit.html:25
 #: cps/templates/shelf_order.html:41 cps/templates/user_edit.html:142
 msgid "Save"
@@ -1876,26 +1897,34 @@ msgstr "输入简介"
 msgid "Comments"
 msgstr "简介"
 
-#: cps/templates/book_table.html:77 cps/templates/book_table.html:79
-#: cps/templates/book_table.html:81 cps/templates/book_table.html:83
-#: cps/templates/book_table.html:87 cps/templates/book_table.html:89
-#: cps/templates/book_table.html:91 cps/templates/book_table.html:93
+#: cps/templates/book_table.html:75
+msgid "Archiv Status"
+msgstr "存档状态"
+
+#: cps/templates/book_table.html:77 cps/templates/search_form.html:42
+msgid "Read Status"
+msgstr "阅读状态"
+
+#: cps/templates/book_table.html:80 cps/templates/book_table.html:82
+#: cps/templates/book_table.html:84 cps/templates/book_table.html:86
+#: cps/templates/book_table.html:90 cps/templates/book_table.html:92
+#: cps/templates/book_table.html:96
 msgid "Enter "
 msgstr "输入"
 
-#: cps/templates/book_table.html:110 cps/templates/modal_dialogs.html:46
+#: cps/templates/book_table.html:113 cps/templates/modal_dialogs.html:46
 msgid "Are you really sure?"
 msgstr "您真的确认？"
 
-#: cps/templates/book_table.html:114
+#: cps/templates/book_table.html:117
 msgid "Books with Title will be merged from:"
 msgstr "这本书籍将被合并："
 
-#: cps/templates/book_table.html:118
+#: cps/templates/book_table.html:121
 msgid "Into Book with Title:"
 msgstr "合并到这本书籍："
 
-#: cps/templates/book_table.html:123
+#: cps/templates/book_table.html:126
 msgid "Merge"
 msgstr "合并"
 
@@ -2071,11 +2100,6 @@ msgstr "LDAP服务器端口"
 msgid "LDAP Encryption"
 msgstr "LDAP 加密"
 
-#: cps/templates/config_edit.html:204 cps/templates/config_view_edit.html:62
-#: cps/templates/email_edit.html:41
-msgid "None"
-msgstr "无"
-
 #: cps/templates/config_edit.html:205
 msgid "TLS"
 msgstr "TLS协议"
@@ -2292,11 +2316,11 @@ msgstr "新用户默认显示权限"
 msgid "Show Random Books in Detail View"
 msgstr "在主页显示随机书籍"
 
-#: cps/templates/config_view_edit.html:165 cps/templates/user_edit.html:87
+#: cps/templates/config_view_edit.html:166 cps/templates/user_edit.html:87
 msgid "Add Allowed/Denied Tags"
 msgstr "添加显示或隐藏书籍的标签值"
 
-#: cps/templates/config_view_edit.html:166
+#: cps/templates/config_view_edit.html:167
 msgid "Add Allowed/Denied custom column values"
 msgstr "添加显示或隐藏书籍的自定义栏目值"
 
@@ -2345,13 +2369,13 @@ msgstr "归档"
 msgid "Description:"
 msgstr "简介:"
 
-#: cps/templates/detail.html:256 cps/templates/search.html:14
+#: cps/templates/detail.html:256 cps/templates/search.html:15
 msgid "Add to shelf"
 msgstr "添加到书架"
 
 #: cps/templates/detail.html:267 cps/templates/detail.html:284
 #: cps/templates/feed.xml:79 cps/templates/layout.html:137
-#: cps/templates/search.html:20
+#: cps/templates/search.html:21
 msgid "(Public)"
 msgstr "(公共)"
 
@@ -2429,10 +2453,14 @@ msgstr "禁止注册的域名（黑名单）"
 msgid "Next"
 msgstr "下一个"
 
-#: cps/templates/generate_kobo_auth_url.html:5
+#: cps/templates/generate_kobo_auth_url.html:6
 msgid "Open the .kobo/Kobo eReader.conf file in a text editor and add (or edit):"
 msgstr "在文本编辑器中打开.kobo/Kobo eReader.conf，添加（或编辑）:"
 
+#: cps/templates/generate_kobo_auth_url.html:11
+msgid "Kobo Token:"
+msgstr "Kobo Token:"
+
 #: cps/templates/http_error.html:31
 msgid "Calibre-Web Instance is unconfigured, please contact your administrator"
 msgstr "Calibre-Web 实例未配置，请联系您的管理员！"
@@ -2449,29 +2477,29 @@ msgstr "回到首页"
 msgid "Logout User"
 msgstr "登出账号"
 
-#: cps/templates/index.html:69
+#: cps/templates/index.html:70
 msgid "Sort ascending according to download count"
 msgstr "按下载数排序"
 
-#: cps/templates/index.html:70
+#: cps/templates/index.html:71
 msgid "Sort descending according to download count"
 msgstr "按下载数逆序排序"
 
-#: cps/templates/index.html:76 cps/templates/search.html:33
+#: cps/templates/index.html:77 cps/templates/search.html:34
 #: cps/templates/shelf.html:23
 msgid "Sort authors in alphabetical order"
 msgstr "按作者字母顺序排序"
 
-#: cps/templates/index.html:77 cps/templates/search.html:34
+#: cps/templates/index.html:78 cps/templates/search.html:35
 #: cps/templates/shelf.html:24
 msgid "Sort authors in reverse alphabetical order"
 msgstr "按作者逆字母顺序排序"
 
-#: cps/templates/index.html:81
+#: cps/templates/index.html:82
 msgid "Sort ascending according to series index"
 msgstr "按丛书编号排序"
 
-#: cps/templates/index.html:82
+#: cps/templates/index.html:83
 msgid "Sort descending according to series index"
 msgstr "按丛书编号逆排序"
 
@@ -2901,10 +2929,6 @@ msgstr "出版日期从"
 msgid "Published Date To"
 msgstr "出版日期到"
 
-#: cps/templates/search_form.html:42
-msgid "Read Status"
-msgstr "阅读状态"
-
 #: cps/templates/search_form.html:59
 msgid "Exclude Tags"
 msgstr "排除标签"
@@ -3067,7 +3091,7 @@ msgstr "新建或查看"
 
 #: cps/templates/user_edit.html:70
 msgid "Force full kobo sync"
-msgstr ""
+msgstr "强制与kobo完全同步"
 
 #: cps/templates/user_edit.html:88
 msgid "Add allowed/Denied Custom Column Values"
diff --git a/messages.pot b/messages.pot
index 7fc39068..b3c09809 100644
--- a/messages.pot
+++ b/messages.pot
@@ -8,585 +8,588 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PROJECT VERSION\n"
 "Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
-"POT-Creation-Date: 2022-01-15 09:19+0100\n"
+"POT-Creation-Date: 2022-04-18 12:20+0800\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=utf-8\n"
 "Content-Transfer-Encoding: 8bit\n"
-"Generated-By: Babel 2.9.0\n"
+"Generated-By: Babel 2.9.1\n"
 
-#: cps/about.py:34 cps/about.py:49 cps/about.py:65 cps/converter.py:31
-msgid "not installed"
-msgstr ""
-
-#: cps/about.py:47 cps/about.py:63
-msgid "installed"
-msgstr ""
-
-#: cps/about.py:145
+#: cps/about.py:86
 msgid "Statistics"
 msgstr ""
 
-#: cps/admin.py:144
+#: cps/admin.py:141
 msgid "Server restarted, please reload page"
 msgstr ""
 
-#: cps/admin.py:146
+#: cps/admin.py:143
 msgid "Performing shutdown of server, please close window"
 msgstr ""
 
-#: cps/admin.py:154
+#: cps/admin.py:151
 msgid "Reconnect successful"
 msgstr ""
 
-#: cps/admin.py:157
+#: cps/admin.py:154
 msgid "Unknown command"
 msgstr ""
 
-#: cps/admin.py:167 cps/editbooks.py:707 cps/editbooks.py:721
-#: cps/editbooks.py:866 cps/editbooks.py:868 cps/editbooks.py:895
-#: cps/editbooks.py:911 cps/updater.py:584 cps/uploader.py:93
-#: cps/uploader.py:103
+#: cps/admin.py:176 cps/editbooks.py:713 cps/editbooks.py:892
+#: cps/editbooks.py:894 cps/editbooks.py:930 cps/editbooks.py:947
+#: cps/updater.py:608 cps/uploader.py:93 cps/uploader.py:103
 msgid "Unknown"
 msgstr ""
 
-#: cps/admin.py:188
+#: cps/admin.py:197
 msgid "Admin page"
 msgstr ""
 
-#: cps/admin.py:207
+#: cps/admin.py:217
 msgid "Basic Configuration"
 msgstr ""
 
-#: cps/admin.py:244
+#: cps/admin.py:255
 msgid "UI Configuration"
 msgstr ""
 
-#: cps/admin.py:277 cps/templates/admin.html:50
+#: cps/admin.py:289 cps/templates/admin.html:51
 msgid "Edit Users"
 msgstr ""
 
-#: cps/admin.py:318 cps/opds.py:109 cps/opds.py:198 cps/opds.py:275
-#: cps/opds.py:327 cps/templates/grid.html:13 cps/templates/languages.html:9
+#: cps/admin.py:333 cps/opds.py:529 cps/templates/grid.html:13
 #: cps/templates/list.html:13
 msgid "All"
 msgstr ""
 
-#: cps/admin.py:343 cps/admin.py:1615
+#: cps/admin.py:360 cps/admin.py:1648
 msgid "User not found"
 msgstr ""
 
-#: cps/admin.py:357
+#: cps/admin.py:374
 msgid "{} users deleted successfully"
 msgstr ""
 
-#: cps/admin.py:379 cps/templates/config_view_edit.html:133
+#: cps/admin.py:397 cps/templates/config_view_edit.html:133
 #: cps/templates/user_edit.html:45 cps/templates/user_table.html:81
 msgid "Show All"
 msgstr ""
 
-#: cps/admin.py:400 cps/admin.py:406
+#: cps/admin.py:418 cps/admin.py:424
 msgid "Malformed request"
 msgstr ""
 
-#: cps/admin.py:418 cps/admin.py:1493
+#: cps/admin.py:436 cps/admin.py:1526
 msgid "Guest Name can't be changed"
 msgstr ""
 
-#: cps/admin.py:430
+#: cps/admin.py:448
 msgid "Guest can't have this role"
 msgstr ""
 
-#: cps/admin.py:442 cps/admin.py:1451
+#: cps/admin.py:460 cps/admin.py:1484
 msgid "No admin user remaining, can't remove admin role"
 msgstr ""
 
-#: cps/admin.py:446 cps/admin.py:460
+#: cps/admin.py:464 cps/admin.py:478
 msgid "Value has to be true or false"
 msgstr ""
 
-#: cps/admin.py:448
+#: cps/admin.py:466
 msgid "Invalid role"
 msgstr ""
 
-#: cps/admin.py:452
+#: cps/admin.py:470
 msgid "Guest can't have this view"
 msgstr ""
 
-#: cps/admin.py:462
+#: cps/admin.py:480
 msgid "Invalid view"
 msgstr ""
 
-#: cps/admin.py:465
+#: cps/admin.py:483
 msgid "Guest's Locale is determined automatically and can't be set"
 msgstr ""
 
-#: cps/admin.py:469
+#: cps/admin.py:487
 msgid "No Valid Locale Given"
 msgstr ""
 
-#: cps/admin.py:480
+#: cps/admin.py:498
 msgid "No Valid Book Language Given"
 msgstr ""
 
-#: cps/admin.py:482
+#: cps/admin.py:500 cps/editbooks.py:1267
 msgid "Parameter not found"
 msgstr ""
 
-#: cps/admin.py:533
+#: cps/admin.py:553
 msgid "Invalid Read Column"
 msgstr ""
 
-#: cps/admin.py:539
+#: cps/admin.py:559
 msgid "Invalid Restricted Column"
 msgstr ""
 
-#: cps/admin.py:560 cps/admin.py:1323
+#: cps/admin.py:579 cps/admin.py:1355
 msgid "Calibre-Web configuration updated"
 msgstr ""
 
-#: cps/admin.py:572
+#: cps/admin.py:591
 msgid "Do you really want to delete the Kobo Token?"
 msgstr ""
 
-#: cps/admin.py:574
+#: cps/admin.py:593
 msgid "Do you really want to delete this domain?"
 msgstr ""
 
-#: cps/admin.py:576
+#: cps/admin.py:595
 msgid "Do you really want to delete this user?"
 msgstr ""
 
-#: cps/admin.py:578
+#: cps/admin.py:597
 msgid "Are you sure you want to delete this shelf?"
 msgstr ""
 
-#: cps/admin.py:580
+#: cps/admin.py:599
 msgid "Are you sure you want to change locales of selected user(s)?"
 msgstr ""
 
-#: cps/admin.py:582
+#: cps/admin.py:601
 msgid "Are you sure you want to change visible book languages for selected user(s)?"
 msgstr ""
 
-#: cps/admin.py:584
+#: cps/admin.py:603
 msgid "Are you sure you want to change the selected role for the selected user(s)?"
 msgstr ""
 
-#: cps/admin.py:586
+#: cps/admin.py:605
 msgid "Are you sure you want to change the selected restrictions for the selected user(s)?"
 msgstr ""
 
-#: cps/admin.py:588
+#: cps/admin.py:607
 msgid "Are you sure you want to change the selected visibility restrictions for the selected user(s)?"
 msgstr ""
 
-#: cps/admin.py:590
+#: cps/admin.py:610
 msgid "Are you sure you want to change shelf sync behavior for the selected user(s)?"
 msgstr ""
 
-#: cps/admin.py:592
+#: cps/admin.py:612
 msgid "Are you sure you want to change Calibre library location?"
 msgstr ""
 
-#: cps/admin.py:594
+#: cps/admin.py:614
 msgid "Are you sure you want delete Calibre-Web's sync database to force a full sync with your Kobo Reader?"
 msgstr ""
 
-#: cps/admin.py:743
+#: cps/admin.py:764
 msgid "Tag not found"
 msgstr ""
 
-#: cps/admin.py:755
+#: cps/admin.py:776
 msgid "Invalid Action"
 msgstr ""
 
-#: cps/admin.py:871 cps/admin.py:877 cps/admin.py:887 cps/admin.py:897
+#: cps/admin.py:893 cps/admin.py:899 cps/admin.py:909 cps/admin.py:919
 #: cps/templates/modal_dialogs.html:29 cps/templates/user_table.html:41
 #: cps/templates/user_table.html:58
 msgid "Deny"
 msgstr ""
 
-#: cps/admin.py:873 cps/admin.py:879 cps/admin.py:889 cps/admin.py:899
+#: cps/admin.py:895 cps/admin.py:901 cps/admin.py:911 cps/admin.py:921
 #: cps/templates/modal_dialogs.html:28 cps/templates/user_table.html:44
 #: cps/templates/user_table.html:61
 msgid "Allow"
 msgstr ""
 
-#: cps/admin.py:913
+#: cps/admin.py:936
 msgid "{} sync entries deleted"
 msgstr ""
 
-#: cps/admin.py:1036
+#: cps/admin.py:1059
 msgid "client_secrets.json Is Not Configured For Web Application"
 msgstr ""
 
-#: cps/admin.py:1081
+#: cps/admin.py:1104
 msgid "Logfile Location is not Valid, Please Enter Correct Path"
 msgstr ""
 
-#: cps/admin.py:1087
+#: cps/admin.py:1110
 msgid "Access Logfile Location is not Valid, Please Enter Correct Path"
 msgstr ""
 
-#: cps/admin.py:1117
+#: cps/admin.py:1140
 msgid "Please Enter a LDAP Provider, Port, DN and User Object Identifier"
 msgstr ""
 
-#: cps/admin.py:1123
+#: cps/admin.py:1146
 msgid "Please Enter a LDAP Service Account and Password"
 msgstr ""
 
-#: cps/admin.py:1126
+#: cps/admin.py:1149
 msgid "Please Enter a LDAP Service Account"
 msgstr ""
 
-#: cps/admin.py:1131
+#: cps/admin.py:1154
 #, python-format
 msgid "LDAP Group Object Filter Needs to Have One \"%s\" Format Identifier"
 msgstr ""
 
-#: cps/admin.py:1133
+#: cps/admin.py:1156
 msgid "LDAP Group Object Filter Has Unmatched Parenthesis"
 msgstr ""
 
-#: cps/admin.py:1137
+#: cps/admin.py:1160
 #, python-format
 msgid "LDAP User Object Filter needs to Have One \"%s\" Format Identifier"
 msgstr ""
 
-#: cps/admin.py:1139
+#: cps/admin.py:1162
 msgid "LDAP User Object Filter Has Unmatched Parenthesis"
 msgstr ""
 
-#: cps/admin.py:1146
+#: cps/admin.py:1169
 #, python-format
 msgid "LDAP Member User Filter needs to Have One \"%s\" Format Identifier"
 msgstr ""
 
-#: cps/admin.py:1148
+#: cps/admin.py:1171
 msgid "LDAP Member User Filter Has Unmatched Parenthesis"
 msgstr ""
 
-#: cps/admin.py:1155
+#: cps/admin.py:1178
 msgid "LDAP CACertificate, Certificate or Key Location is not Valid, Please Enter Correct Path"
 msgstr ""
 
-#: cps/admin.py:1197 cps/admin.py:1308 cps/admin.py:1405 cps/admin.py:1521
-#: cps/admin.py:1590 cps/shelf.py:100 cps/shelf.py:160 cps/shelf.py:203
-#: cps/shelf.py:279 cps/shelf.py:341 cps/shelf.py:376 cps/shelf.py:451
-msgid "Settings DB is not Writeable"
+#: cps/admin.py:1223 cps/admin.py:1339 cps/admin.py:1437 cps/admin.py:1554
+#: cps/admin.py:1623 cps/editbooks.py:678 cps/editbooks.py:882
+#: cps/editbooks.py:1130 cps/shelf.py:100 cps/shelf.py:160 cps/shelf.py:203
+#: cps/shelf.py:278 cps/shelf.py:343 cps/shelf.py:380 cps/shelf.py:456
+#: cps/web.py:1742
+#, python-format
+msgid "Database error: %(error)s."
 msgstr ""
 
-#: cps/admin.py:1208
+#: cps/admin.py:1235
 msgid "DB Location is not Valid, Please Enter Correct Path"
 msgstr ""
 
-#: cps/admin.py:1223
+#: cps/admin.py:1253
 msgid "DB is not Writeable"
 msgstr ""
 
-#: cps/admin.py:1235
+#: cps/admin.py:1266
 msgid "Keyfile Location is not Valid, Please Enter Correct Path"
 msgstr ""
 
-#: cps/admin.py:1239
+#: cps/admin.py:1270
 msgid "Certfile Location is not Valid, Please Enter Correct Path"
 msgstr ""
 
-#: cps/admin.py:1346
+#: cps/admin.py:1378
 msgid "Database Settings updated"
 msgstr ""
 
-#: cps/admin.py:1354
+#: cps/admin.py:1386
 msgid "Database Configuration"
 msgstr ""
 
-#: cps/admin.py:1370 cps/web.py:1479
+#: cps/admin.py:1402 cps/web.py:1557
 msgid "Please fill out all fields!"
 msgstr ""
 
-#: cps/admin.py:1378
+#: cps/admin.py:1410
 msgid "E-mail is not from valid domain"
 msgstr ""
 
-#: cps/admin.py:1384 cps/admin.py:1543
+#: cps/admin.py:1416 cps/admin.py:1576
 msgid "Add new user"
 msgstr ""
 
-#: cps/admin.py:1395
+#: cps/admin.py:1427
 #, python-format
 msgid "User '%(user)s' created"
 msgstr ""
 
-#: cps/admin.py:1401
+#: cps/admin.py:1433
 msgid "Found an existing account for this e-mail address or name."
 msgstr ""
 
-#: cps/admin.py:1430
+#: cps/admin.py:1463
 #, python-format
 msgid "User '%(nick)s' deleted"
 msgstr ""
 
-#: cps/admin.py:1432 cps/admin.py:1433
+#: cps/admin.py:1465 cps/admin.py:1466
 msgid "Can't delete Guest User"
 msgstr ""
 
-#: cps/admin.py:1436
+#: cps/admin.py:1469
 msgid "No admin user remaining, can't delete user"
 msgstr ""
 
-#: cps/admin.py:1509 cps/admin.py:1634
+#: cps/admin.py:1542 cps/admin.py:1667
 #, python-format
 msgid "Edit User %(nick)s"
 msgstr ""
 
-#: cps/admin.py:1513
+#: cps/admin.py:1546
 #, python-format
 msgid "User '%(nick)s' updated"
 msgstr ""
 
-#: cps/admin.py:1517 cps/admin.py:1649 cps/web.py:1504 cps/web.py:1564
+#: cps/admin.py:1550 cps/admin.py:1682 cps/web.py:1582 cps/web.py:1642
 msgid "An unknown error occurred. Please try again later."
 msgstr ""
 
-#: cps/admin.py:1552 cps/templates/admin.html:98
+#: cps/admin.py:1585 cps/templates/admin.html:100
 msgid "Edit E-mail Server Settings"
 msgstr ""
 
-#: cps/admin.py:1571
+#: cps/admin.py:1604
 msgid "Gmail Account Verification Successful"
 msgstr ""
 
-#: cps/admin.py:1597
+#: cps/admin.py:1630
 #, python-format
 msgid "Test e-mail queued for sending to %(email)s, please check Tasks for result"
 msgstr ""
 
-#: cps/admin.py:1600
+#: cps/admin.py:1633
 #, python-format
 msgid "There was an error sending the Test e-mail: %(res)s"
 msgstr ""
 
-#: cps/admin.py:1602
+#: cps/admin.py:1635
 msgid "Please configure your e-mail address first..."
 msgstr ""
 
-#: cps/admin.py:1604
+#: cps/admin.py:1637
 msgid "E-mail server settings updated"
 msgstr ""
 
-#: cps/admin.py:1646
+#: cps/admin.py:1679
 #, python-format
 msgid "Password for user %(user)s reset"
 msgstr ""
 
-#: cps/admin.py:1652 cps/web.py:1444
+#: cps/admin.py:1685 cps/web.py:1522
 msgid "Please configure the SMTP mail settings first..."
 msgstr ""
 
-#: cps/admin.py:1663
+#: cps/admin.py:1696
 msgid "Logfile viewer"
 msgstr ""
 
-#: cps/admin.py:1729
+#: cps/admin.py:1762
 msgid "Requesting update package"
 msgstr ""
 
-#: cps/admin.py:1730
+#: cps/admin.py:1763
 msgid "Downloading update package"
 msgstr ""
 
-#: cps/admin.py:1731
+#: cps/admin.py:1764
 msgid "Unzipping update package"
 msgstr ""
 
-#: cps/admin.py:1732
+#: cps/admin.py:1765
 msgid "Replacing files"
 msgstr ""
 
-#: cps/admin.py:1733
+#: cps/admin.py:1766
 msgid "Database connections are closed"
 msgstr ""
 
-#: cps/admin.py:1734
+#: cps/admin.py:1767
 msgid "Stopping server"
 msgstr ""
 
-#: cps/admin.py:1735
+#: cps/admin.py:1768
 msgid "Update finished, please press okay and reload page"
 msgstr ""
 
-#: cps/admin.py:1736 cps/admin.py:1737 cps/admin.py:1738 cps/admin.py:1739
-#: cps/admin.py:1740 cps/admin.py:1741
+#: cps/admin.py:1769 cps/admin.py:1770 cps/admin.py:1771 cps/admin.py:1772
+#: cps/admin.py:1773 cps/admin.py:1774
 msgid "Update failed:"
 msgstr ""
 
-#: cps/admin.py:1736 cps/updater.py:385 cps/updater.py:595 cps/updater.py:597
+#: cps/admin.py:1769 cps/updater.py:384 cps/updater.py:619 cps/updater.py:621
 msgid "HTTP Error"
 msgstr ""
 
-#: cps/admin.py:1737 cps/updater.py:387 cps/updater.py:599
+#: cps/admin.py:1770 cps/updater.py:386 cps/updater.py:623
 msgid "Connection error"
 msgstr ""
 
-#: cps/admin.py:1738 cps/updater.py:389 cps/updater.py:601
+#: cps/admin.py:1771 cps/updater.py:388 cps/updater.py:625
 msgid "Timeout while establishing connection"
 msgstr ""
 
-#: cps/admin.py:1739 cps/updater.py:391 cps/updater.py:603
+#: cps/admin.py:1772 cps/updater.py:390 cps/updater.py:627
 msgid "General error"
 msgstr ""
 
-#: cps/admin.py:1740
+#: cps/admin.py:1773
 msgid "Update file could not be saved in temp dir"
 msgstr ""
 
-#: cps/admin.py:1741
+#: cps/admin.py:1774
 msgid "Files could not be replaced during update"
 msgstr ""
 
-#: cps/admin.py:1765
+#: cps/admin.py:1798
 msgid "Failed to extract at least One LDAP User"
 msgstr ""
 
-#: cps/admin.py:1810
+#: cps/admin.py:1843
 msgid "Failed to Create at Least One LDAP User"
 msgstr ""
 
-#: cps/admin.py:1823
+#: cps/admin.py:1856
 #, python-format
 msgid "Error: %(ldaperror)s"
 msgstr ""
 
-#: cps/admin.py:1827
+#: cps/admin.py:1860
 msgid "Error: No user returned in response of LDAP server"
 msgstr ""
 
-#: cps/admin.py:1860
+#: cps/admin.py:1893
 msgid "At Least One LDAP User Not Found in Database"
 msgstr ""
 
-#: cps/admin.py:1862
+#: cps/admin.py:1895
 msgid "{} User Successfully Imported"
 msgstr ""
 
 #: cps/converter.py:30
-msgid "not configured"
+msgid "not installed"
 msgstr ""
 
-#: cps/converter.py:32
+#: cps/converter.py:31
 msgid "Execution permissions missing"
 msgstr ""
 
-#: cps/db.py:651 cps/web.py:667 cps/web.py:1155
+#: cps/db.py:674 cps/web.py:710 cps/web.py:1222
 #, python-format
 msgid "Custom Column No.%(column)d is not existing in calibre database"
 msgstr ""
 
-#: cps/editbooks.py:300 cps/editbooks.py:302
+#: cps/db.py:917 cps/templates/config_edit.html:204
+#: cps/templates/config_view_edit.html:62 cps/templates/email_edit.html:41
+#: cps/web.py:551 cps/web.py:585 cps/web.py:646 cps/web.py:671 cps/web.py:1003
+#: cps/web.py:1032 cps/web.py:1066 cps/web.py:1093 cps/web.py:1132
+msgid "None"
+msgstr ""
+
+#: cps/editbooks.py:295 cps/editbooks.py:297
 msgid "Book Format Successfully Deleted"
 msgstr ""
 
-#: cps/editbooks.py:309 cps/editbooks.py:311
+#: cps/editbooks.py:304 cps/editbooks.py:306
 msgid "Book Successfully Deleted"
 msgstr ""
 
-#: cps/editbooks.py:361
+#: cps/editbooks.py:358
 msgid "You are missing permissions to delete books"
 msgstr ""
 
-#: cps/editbooks.py:376 cps/editbooks.py:763 cps/web.py:523 cps/web.py:1703
-#: cps/web.py:1744 cps/web.py:1811
+#: cps/editbooks.py:373 cps/editbooks.py:765 cps/web.py:518 cps/web.py:1783
+#: cps/web.py:1825 cps/web.py:1870
 msgid "Oops! Selected book title is unavailable. File does not exist or is not accessible"
 msgstr ""
 
-#: cps/editbooks.py:410
+#: cps/editbooks.py:408
 msgid "edit metadata"
 msgstr ""
 
-#: cps/editbooks.py:458
+#: cps/editbooks.py:457
 #, python-format
 msgid "%(seriesindex)s is not a valid number, skipping"
 msgstr ""
 
-#: cps/editbooks.py:494 cps/editbooks.py:958
+#: cps/editbooks.py:493 cps/editbooks.py:1001
 #, python-format
 msgid "'%(langname)s' is not a valid language"
 msgstr ""
 
-#: cps/editbooks.py:634 cps/editbooks.py:985
+#: cps/editbooks.py:634
+msgid "User has no rights to upload additional file formats"
+msgstr ""
+
+#: cps/editbooks.py:639 cps/editbooks.py:1029
 #, python-format
 msgid "File extension '%(ext)s' is not allowed to be uploaded to this server"
 msgstr ""
 
-#: cps/editbooks.py:638 cps/editbooks.py:989
+#: cps/editbooks.py:643 cps/editbooks.py:1033
 msgid "File to be uploaded must have an extension"
 msgstr ""
 
-#: cps/editbooks.py:650
+#: cps/editbooks.py:655
 #, python-format
 msgid "Failed to create path %(path)s (Permission denied)."
 msgstr ""
 
-#: cps/editbooks.py:655
+#: cps/editbooks.py:660
 #, python-format
 msgid "Failed to store file %(file)s."
 msgstr ""
 
-#: cps/editbooks.py:673 cps/editbooks.py:1076 cps/web.py:1664
+#: cps/editbooks.py:683
 #, python-format
-msgid "Database error: %(error)s."
+msgid "File format %(ext)s added to %(book)s"
 msgstr ""
 
-#: cps/editbooks.py:678
-#, python-format
-msgid "File format %(ext)s added to %(book)s"
+#: cps/editbooks.py:697 cps/editbooks.py:809
+msgid "User has no rights to upload cover"
 msgstr ""
 
-#: cps/editbooks.py:814
+#: cps/editbooks.py:828
 msgid "Identifiers are not Case Sensitive, Overwriting Old Identifier"
 msgstr ""
 
-#: cps/editbooks.py:848
+#: cps/editbooks.py:869
 msgid "Metadata successfully updated"
 msgstr ""
 
-#: cps/editbooks.py:861
-msgid "Error editing book, please check logfile for details"
+#: cps/editbooks.py:887
+msgid "Error editing book: {}"
 msgstr ""
 
-#: cps/editbooks.py:899
+#: cps/editbooks.py:951
 msgid "Uploaded book probably exists in the library, consider to change before upload new: "
 msgstr ""
 
-#: cps/editbooks.py:997
+#: cps/editbooks.py:1041
 #, python-format
 msgid "File %(filename)s could not saved to temp dir"
 msgstr ""
 
-#: cps/editbooks.py:1016
+#: cps/editbooks.py:1061
 #, python-format
 msgid "Failed to Move Cover File %(file)s: %(error)s"
 msgstr ""
 
-#: cps/editbooks.py:1063
+#: cps/editbooks.py:1117
 #, python-format
 msgid "File %(file)s uploaded"
 msgstr ""
 
-#: cps/editbooks.py:1088
+#: cps/editbooks.py:1143
 msgid "Source or destination format for conversion missing"
 msgstr ""
 
-#: cps/editbooks.py:1096
+#: cps/editbooks.py:1151
 #, python-format
 msgid "Book successfully queued for converting to %(book_format)s"
 msgstr ""
 
-#: cps/editbooks.py:1100
+#: cps/editbooks.py:1155
 #, python-format
 msgid "There was an error converting this book: %(res)s"
 msgstr ""
@@ -599,174 +602,190 @@ msgstr ""
 msgid "Callback domain is not verified, please follow steps to verify domain in google developer console"
 msgstr ""
 
-#: cps/helper.py:77
+#: cps/helper.py:81
 #, python-format
 msgid "%(format)s format not found for book id: %(book)d"
 msgstr ""
 
-#: cps/helper.py:83 cps/tasks/convert.py:73
+#: cps/helper.py:87 cps/tasks/convert.py:75
 #, python-format
 msgid "%(format)s not found on Google Drive: %(fn)s"
 msgstr ""
 
-#: cps/helper.py:88
+#: cps/helper.py:92
 #, python-format
 msgid "%(format)s not found: %(fn)s"
 msgstr ""
 
-#: cps/helper.py:93 cps/helper.py:217 cps/templates/detail.html:41
+#: cps/helper.py:97 cps/helper.py:221 cps/templates/detail.html:41
 #: cps/templates/detail.html:45
 msgid "Send to Kindle"
 msgstr ""
 
-#: cps/helper.py:94 cps/helper.py:111 cps/helper.py:219
+#: cps/helper.py:98 cps/helper.py:115 cps/helper.py:223
 msgid "This e-mail has been sent via Calibre-Web."
 msgstr ""
 
-#: cps/helper.py:109
+#: cps/helper.py:113
 msgid "Calibre-Web test e-mail"
 msgstr ""
 
-#: cps/helper.py:110
+#: cps/helper.py:114
 msgid "Test e-mail"
 msgstr ""
 
-#: cps/helper.py:127
+#: cps/helper.py:131
 msgid "Get Started with Calibre-Web"
 msgstr ""
 
-#: cps/helper.py:132
+#: cps/helper.py:136
 #, python-format
 msgid "Registration e-mail for user: %(name)s"
 msgstr ""
 
-#: cps/helper.py:143 cps/helper.py:149
+#: cps/helper.py:147 cps/helper.py:153
 #, python-format
 msgid "Convert %(orig)s to %(format)s and send to Kindle"
 msgstr ""
 
-#: cps/helper.py:168 cps/helper.py:172 cps/helper.py:176
+#: cps/helper.py:172 cps/helper.py:176 cps/helper.py:180
 #, python-format
 msgid "Send %(format)s to Kindle"
 msgstr ""
 
-#: cps/helper.py:216 cps/tasks/convert.py:90
+#: cps/helper.py:220 cps/tasks/convert.py:92
 #, python-format
 msgid "%(book)s send to Kindle"
 msgstr ""
 
-#: cps/helper.py:221
+#: cps/helper.py:225
 msgid "The requested file could not be read. Maybe wrong permissions?"
 msgstr ""
 
-#: cps/helper.py:313
+#: cps/helper.py:353
+msgid "Read status could not set: {}"
+msgstr ""
+
+#: cps/helper.py:376
 #, python-format
 msgid "Deleting bookfolder for book %(id)s failed, path has subfolders: %(path)s"
 msgstr ""
 
-#: cps/helper.py:319
+#: cps/helper.py:382
 #, python-format
 msgid "Deleting book %(id)s failed: %(message)s"
 msgstr ""
 
-#: cps/helper.py:330
+#: cps/helper.py:393
 #, python-format
 msgid "Deleting book %(id)s from database only, book path in database not valid: %(path)s"
 msgstr ""
 
-#: cps/helper.py:385
+#: cps/helper.py:458
 #, python-format
-msgid "Rename title from: '%(src)s' to '%(dest)s' failed with error: %(error)s"
+msgid "Rename author from: '%(src)s' to '%(dest)s' failed with error: %(error)s"
 msgstr ""
 
-#: cps/helper.py:400
+#: cps/helper.py:529 cps/helper.py:538
 #, python-format
-msgid "Rename file in path '%(src)s' to '%(dest)s' failed with error: %(error)s"
+msgid "File %(file)s not found on Google Drive"
 msgstr ""
 
-#: cps/helper.py:425 cps/helper.py:435 cps/helper.py:443
+#: cps/helper.py:572
 #, python-format
-msgid "File %(file)s not found on Google Drive"
+msgid "Rename title from: '%(src)s' to '%(dest)s' failed with error: %(error)s"
+msgstr ""
+
+#: cps/helper.py:592
+msgid "Error in rename file in path: {}"
 msgstr ""
 
-#: cps/helper.py:464
+#: cps/helper.py:610
 #, python-format
 msgid "Book path %(path)s not found on Google Drive"
 msgstr ""
 
-#: cps/helper.py:504 cps/web.py:1659
+#: cps/helper.py:651 cps/web.py:1737
 msgid "Found an existing account for this e-mail address"
 msgstr ""
 
-#: cps/helper.py:512
+#: cps/helper.py:659
 msgid "This username is already taken"
 msgstr ""
 
-#: cps/helper.py:522
+#: cps/helper.py:669
 msgid "Invalid e-mail address format"
 msgstr ""
 
-#: cps/helper.py:595
+#: cps/helper.py:754
+msgid "Python modul 'advocate' is not installed but is needed for cover downloads"
+msgstr ""
+
+#: cps/helper.py:767
 msgid "Error Downloading Cover"
 msgstr ""
 
-#: cps/helper.py:598
+#: cps/helper.py:770
 msgid "Cover Format Error"
 msgstr ""
 
-#: cps/helper.py:608
+#: cps/helper.py:773
+msgid "You are not allowed to access localhost or the local network for cover uploads"
+msgstr ""
+
+#: cps/helper.py:783
 msgid "Failed to create path for cover"
 msgstr ""
 
-#: cps/helper.py:624
+#: cps/helper.py:799
 msgid "Cover-file is not a valid image file, or could not be stored"
 msgstr ""
 
-#: cps/helper.py:635
+#: cps/helper.py:810
 msgid "Only jpg/jpeg/png/webp/bmp files are supported as coverfile"
 msgstr ""
 
-#: cps/helper.py:648
+#: cps/helper.py:822
 msgid "Invalid cover file content"
 msgstr ""
 
-#: cps/helper.py:652
+#: cps/helper.py:826
 msgid "Only jpg/jpeg files are supported as coverfile"
 msgstr ""
 
-#: cps/helper.py:704
+#: cps/helper.py:878
 msgid "Unrar binary file not found"
 msgstr ""
 
-#: cps/helper.py:715
+#: cps/helper.py:889
 msgid "Error excecuting UnRar"
 msgstr ""
 
-#: cps/helper.py:763
+#: cps/helper.py:937
 msgid "Waiting"
 msgstr ""
 
-#: cps/helper.py:765
+#: cps/helper.py:939
 msgid "Failed"
 msgstr ""
 
-#: cps/helper.py:767
+#: cps/helper.py:941
 msgid "Started"
 msgstr ""
 
-#: cps/helper.py:769
+#: cps/helper.py:943
 msgid "Finished"
 msgstr ""
 
-#: cps/helper.py:771
+#: cps/helper.py:945
 msgid "Unknown Status"
 msgstr ""
 
-#: cps/kobo_auth.py:127
-msgid "PLease access calibre-web from non localhost to get valid api_endpoint for kobo device"
+#: cps/kobo_auth.py:128
+msgid "Please access Calibre-Web from non localhost to get valid api_endpoint for kobo device"
 msgstr ""
 
-#: cps/kobo_auth.py:130 cps/kobo_auth.py:158
+#: cps/kobo_auth.py:154
 msgid "Kobo Setup"
 msgstr ""
 
@@ -775,7 +794,7 @@ msgstr ""
 msgid "Register with %(provider)s"
 msgstr ""
 
-#: cps/oauth_bb.py:138 cps/remotelogin.py:133 cps/web.py:1535
+#: cps/oauth_bb.py:138 cps/remotelogin.py:130 cps/web.py:1613
 #, python-format
 msgid "you are now logged in as: '%(nickname)s'"
 msgstr ""
@@ -836,163 +855,163 @@ msgstr ""
 msgid "Google Oauth error: {}"
 msgstr ""
 
-#: cps/opds.py:384
+#: cps/opds.py:298
 msgid "{} Stars"
 msgstr ""
 
-#: cps/remotelogin.py:65 cps/templates/layout.html:84
-#: cps/templates/login.html:4 cps/templates/login.html:21 cps/web.py:1584
+#: cps/remotelogin.py:62 cps/templates/layout.html:84
+#: cps/templates/login.html:4 cps/templates/login.html:21 cps/web.py:1662
 msgid "Login"
 msgstr ""
 
-#: cps/remotelogin.py:77 cps/remotelogin.py:111
+#: cps/remotelogin.py:74 cps/remotelogin.py:108
 msgid "Token not found"
 msgstr ""
 
-#: cps/remotelogin.py:86 cps/remotelogin.py:119
+#: cps/remotelogin.py:83 cps/remotelogin.py:116
 msgid "Token has expired"
 msgstr ""
 
-#: cps/remotelogin.py:95
+#: cps/remotelogin.py:92
 msgid "Success! Please return to your device"
 msgstr ""
 
-#: cps/render_template.py:39 cps/web.py:416
+#: cps/render_template.py:41 cps/web.py:407
 msgid "Books"
 msgstr ""
 
-#: cps/render_template.py:41
+#: cps/render_template.py:43
 msgid "Show recent books"
 msgstr ""
 
-#: cps/render_template.py:42 cps/templates/index.xml:25
+#: cps/render_template.py:44 cps/templates/index.xml:25
 msgid "Hot Books"
 msgstr ""
 
-#: cps/render_template.py:44
+#: cps/render_template.py:46
 msgid "Show Hot Books"
 msgstr ""
 
-#: cps/render_template.py:46 cps/render_template.py:51
+#: cps/render_template.py:48 cps/render_template.py:53
 msgid "Downloaded Books"
 msgstr ""
 
-#: cps/render_template.py:48 cps/render_template.py:53
+#: cps/render_template.py:50 cps/render_template.py:55
 #: cps/templates/user_table.html:167
 msgid "Show Downloaded Books"
 msgstr ""
 
-#: cps/render_template.py:56 cps/templates/index.xml:32 cps/web.py:430
+#: cps/render_template.py:58 cps/templates/index.xml:32 cps/web.py:422
 msgid "Top Rated Books"
 msgstr ""
 
-#: cps/render_template.py:58 cps/templates/user_table.html:161
+#: cps/render_template.py:60 cps/templates/user_table.html:161
 msgid "Show Top Rated Books"
 msgstr ""
 
-#: cps/render_template.py:59 cps/templates/index.xml:54
-#: cps/templates/index.xml:58 cps/web.py:676
+#: cps/render_template.py:61 cps/templates/index.xml:54
+#: cps/templates/index.xml:58 cps/web.py:729
 msgid "Read Books"
 msgstr ""
 
-#: cps/render_template.py:61
+#: cps/render_template.py:63
 msgid "Show read and unread"
 msgstr ""
 
-#: cps/render_template.py:63 cps/templates/index.xml:61
-#: cps/templates/index.xml:65 cps/web.py:679
+#: cps/render_template.py:65 cps/templates/index.xml:61
+#: cps/templates/index.xml:65 cps/web.py:732
 msgid "Unread Books"
 msgstr ""
 
-#: cps/render_template.py:65
+#: cps/render_template.py:67
 msgid "Show unread"
 msgstr ""
 
-#: cps/render_template.py:66
+#: cps/render_template.py:68
 msgid "Discover"
 msgstr ""
 
-#: cps/render_template.py:68 cps/templates/index.xml:50
+#: cps/render_template.py:70 cps/templates/index.xml:50
 #: cps/templates/user_table.html:162
 msgid "Show Random Books"
 msgstr ""
 
-#: cps/render_template.py:69 cps/templates/book_table.html:67
-#: cps/templates/index.xml:83 cps/web.py:1041
+#: cps/render_template.py:71 cps/templates/book_table.html:67
+#: cps/templates/index.xml:83 cps/web.py:1135
 msgid "Categories"
 msgstr ""
 
-#: cps/render_template.py:71 cps/templates/user_table.html:158
+#: cps/render_template.py:73 cps/templates/user_table.html:158
 msgid "Show category selection"
 msgstr ""
 
-#: cps/render_template.py:72 cps/templates/book_edit.html:90
+#: cps/render_template.py:74 cps/templates/book_edit.html:90
 #: cps/templates/book_table.html:68 cps/templates/index.xml:90
-#: cps/templates/search_form.html:69 cps/web.py:948 cps/web.py:959
+#: cps/templates/search_form.html:69 cps/web.py:1034 cps/web.py:1041
 msgid "Series"
 msgstr ""
 
-#: cps/render_template.py:74 cps/templates/user_table.html:157
+#: cps/render_template.py:76 cps/templates/user_table.html:157
 msgid "Show series selection"
 msgstr ""
 
-#: cps/render_template.py:75 cps/templates/book_table.html:66
+#: cps/render_template.py:77 cps/templates/book_table.html:66
 #: cps/templates/index.xml:69
 msgid "Authors"
 msgstr ""
 
-#: cps/render_template.py:77 cps/templates/user_table.html:160
+#: cps/render_template.py:79 cps/templates/user_table.html:160
 msgid "Show author selection"
 msgstr ""
 
-#: cps/render_template.py:79 cps/templates/book_table.html:72
-#: cps/templates/index.xml:76 cps/web.py:925
+#: cps/render_template.py:81 cps/templates/book_table.html:72
+#: cps/templates/index.xml:76 cps/web.py:1006
 msgid "Publishers"
 msgstr ""
 
-#: cps/render_template.py:81 cps/templates/user_table.html:163
+#: cps/render_template.py:83 cps/templates/user_table.html:163
 msgid "Show publisher selection"
 msgstr ""
 
-#: cps/render_template.py:82 cps/templates/book_table.html:70
+#: cps/render_template.py:84 cps/templates/book_table.html:70
 #: cps/templates/index.xml:97 cps/templates/search_form.html:107
-#: cps/web.py:1018
+#: cps/web.py:1108
 msgid "Languages"
 msgstr ""
 
-#: cps/render_template.py:85 cps/templates/user_table.html:155
+#: cps/render_template.py:87 cps/templates/user_table.html:155
 msgid "Show language selection"
 msgstr ""
 
-#: cps/render_template.py:86 cps/templates/index.xml:104
+#: cps/render_template.py:88 cps/templates/index.xml:104
 msgid "Ratings"
 msgstr ""
 
-#: cps/render_template.py:88 cps/templates/user_table.html:164
+#: cps/render_template.py:90 cps/templates/user_table.html:164
 msgid "Show ratings selection"
 msgstr ""
 
-#: cps/render_template.py:89 cps/templates/index.xml:112
+#: cps/render_template.py:91 cps/templates/index.xml:112
 msgid "File formats"
 msgstr ""
 
-#: cps/render_template.py:91 cps/templates/user_table.html:165
+#: cps/render_template.py:93 cps/templates/user_table.html:165
 msgid "Show file formats selection"
 msgstr ""
 
-#: cps/render_template.py:93 cps/web.py:703
+#: cps/render_template.py:95 cps/web.py:755
 msgid "Archived Books"
 msgstr ""
 
-#: cps/render_template.py:95 cps/templates/user_table.html:166
+#: cps/render_template.py:97 cps/templates/user_table.html:166
 msgid "Show archived books"
 msgstr ""
 
-#: cps/render_template.py:97 cps/web.py:780
+#: cps/render_template.py:100 cps/web.py:837
 msgid "Books List"
 msgstr ""
 
-#: cps/render_template.py:99 cps/templates/user_table.html:168
+#: cps/render_template.py:102 cps/templates/user_table.html:168
 msgid "Show Books List"
 msgstr ""
 
@@ -1046,260 +1065,264 @@ msgstr ""
 msgid "Create a Shelf"
 msgstr ""
 
-#: cps/shelf.py:237
+#: cps/shelf.py:236
 msgid "Sorry you are not allowed to edit this shelf"
 msgstr ""
 
-#: cps/shelf.py:239
+#: cps/shelf.py:238
 msgid "Edit a shelf"
 msgstr ""
 
-#: cps/shelf.py:249
+#: cps/shelf.py:248
 msgid "Sorry you are not allowed to create a public shelf"
 msgstr ""
 
-#: cps/shelf.py:266
+#: cps/shelf.py:265
 #, python-format
 msgid "Shelf %(title)s created"
 msgstr ""
 
-#: cps/shelf.py:269
+#: cps/shelf.py:268
 #, python-format
 msgid "Shelf %(title)s changed"
 msgstr ""
 
-#: cps/shelf.py:283
+#: cps/shelf.py:282
 msgid "There was an error"
 msgstr ""
 
-#: cps/shelf.py:305
+#: cps/shelf.py:304
 #, python-format
 msgid "A public shelf with the name '%(title)s' already exists."
 msgstr ""
 
-#: cps/shelf.py:316
+#: cps/shelf.py:315
 #, python-format
 msgid "A private shelf with the name '%(title)s' already exists."
 msgstr ""
 
 #: cps/shelf.py:337
+msgid "Error deleting Shelf"
+msgstr ""
+
+#: cps/shelf.py:339
 msgid "Shelf successfully deleted"
 msgstr ""
 
-#: cps/shelf.py:386
+#: cps/shelf.py:389
 #, python-format
 msgid "Change order of Shelf: '%(name)s'"
 msgstr ""
 
-#: cps/shelf.py:456
+#: cps/shelf.py:461
 #, python-format
 msgid "Shelf: '%(name)s'"
 msgstr ""
 
-#: cps/shelf.py:460
+#: cps/shelf.py:465
 msgid "Error opening shelf. Shelf does not exist or is not accessible"
 msgstr ""
 
-#: cps/updater.py:403 cps/updater.py:414 cps/updater.py:514 cps/updater.py:529
+#: cps/updater.py:426 cps/updater.py:437 cps/updater.py:538 cps/updater.py:553
 msgid "Unexpected data while reading update information"
 msgstr ""
 
-#: cps/updater.py:410 cps/updater.py:521
+#: cps/updater.py:433 cps/updater.py:545
 msgid "No update available. You already have the latest version installed"
 msgstr ""
 
-#: cps/updater.py:428
+#: cps/updater.py:451
 msgid "A new update is available. Click on the button below to update to the latest version."
 msgstr ""
 
-#: cps/updater.py:446
+#: cps/updater.py:469
 msgid "Could not fetch update information"
 msgstr ""
 
-#: cps/updater.py:456
+#: cps/updater.py:479
 msgid "Click on the button below to update to the latest stable version."
 msgstr ""
 
-#: cps/updater.py:465 cps/updater.py:479 cps/updater.py:490
+#: cps/updater.py:488 cps/updater.py:502 cps/updater.py:513
 #, python-format
 msgid "A new update is available. Click on the button below to update to version: %(version)s"
 msgstr ""
 
-#: cps/updater.py:507
+#: cps/updater.py:531
 msgid "No release information available"
 msgstr ""
 
-#: cps/templates/index.html:5 cps/web.py:440
+#: cps/templates/index.html:5 cps/web.py:434
 msgid "Discover (Random Books)"
 msgstr ""
 
-#: cps/web.py:471
+#: cps/web.py:470
 msgid "Hot Books (Most Downloaded)"
 msgstr ""
 
-#: cps/web.py:507
+#: cps/web.py:501
 #, python-format
 msgid "Downloaded books by %(user)s"
 msgstr ""
 
-#: cps/web.py:539
+#: cps/web.py:534
 #, python-format
 msgid "Author: %(name)s"
 msgstr ""
 
-#: cps/web.py:554
+#: cps/web.py:570
 #, python-format
 msgid "Publisher: %(name)s"
 msgstr ""
 
-#: cps/web.py:569
+#: cps/web.py:598
 #, python-format
 msgid "Series: %(serie)s"
 msgstr ""
 
-#: cps/web.py:582
+#: cps/web.py:610
 #, python-format
 msgid "Rating: %(rating)s stars"
 msgstr ""
 
-#: cps/web.py:597
+#: cps/web.py:626
 #, python-format
 msgid "File format: %(format)s"
 msgstr ""
 
-#: cps/web.py:615
+#: cps/web.py:663
 #, python-format
 msgid "Category: %(name)s"
 msgstr ""
 
-#: cps/web.py:631
+#: cps/web.py:690
 #, python-format
 msgid "Language: %(name)s"
 msgstr ""
 
-#: cps/templates/layout.html:56 cps/web.py:737 cps/web.py:1371
+#: cps/templates/layout.html:56 cps/web.py:789 cps/web.py:1444
 msgid "Advanced Search"
 msgstr ""
 
 #: cps/templates/book_edit.html:235 cps/templates/feed.xml:33
 #: cps/templates/index.xml:11 cps/templates/layout.html:45
 #: cps/templates/layout.html:48 cps/templates/search_form.html:226
-#: cps/web.py:750 cps/web.py:1077
+#: cps/web.py:807 cps/web.py:1164
 msgid "Search"
 msgstr ""
 
-#: cps/templates/admin.html:16 cps/web.py:903
+#: cps/templates/admin.html:16 cps/web.py:979
 msgid "Downloads"
 msgstr ""
 
-#: cps/web.py:980
+#: cps/web.py:1068
 msgid "Ratings list"
 msgstr ""
 
-#: cps/web.py:1001
+#: cps/web.py:1095
 msgid "File formats list"
 msgstr ""
 
-#: cps/templates/layout.html:73 cps/templates/tasks.html:7 cps/web.py:1055
+#: cps/templates/layout.html:73 cps/templates/tasks.html:7 cps/web.py:1149
 msgid "Tasks"
 msgstr ""
 
-#: cps/web.py:1215
+#: cps/web.py:1286
 msgid "Published after "
 msgstr ""
 
-#: cps/web.py:1222
+#: cps/web.py:1293
 msgid "Published before "
 msgstr ""
 
-#: cps/web.py:1244
+#: cps/web.py:1315
 #, python-format
 msgid "Rating <= %(rating)s"
 msgstr ""
 
-#: cps/web.py:1246
+#: cps/web.py:1317
 #, python-format
 msgid "Rating >= %(rating)s"
 msgstr ""
 
-#: cps/web.py:1248
+#: cps/web.py:1319
 #, python-format
 msgid "Read Status = %(status)s"
 msgstr ""
 
-#: cps/web.py:1353
+#: cps/web.py:1425
 msgid "Error on search for custom columns, please restart Calibre-Web"
 msgstr ""
 
-#: cps/web.py:1449
+#: cps/web.py:1527
 #, python-format
 msgid "Book successfully queued for sending to %(kindlemail)s"
 msgstr ""
 
-#: cps/web.py:1453
+#: cps/web.py:1531
 #, python-format
 msgid "Oops! There was an error sending this book: %(res)s"
 msgstr ""
 
-#: cps/web.py:1455
+#: cps/web.py:1533
 msgid "Please update your profile with a valid Send to Kindle E-mail Address."
 msgstr ""
 
-#: cps/web.py:1472
+#: cps/web.py:1550
 msgid "E-Mail server is not configured, please contact your administrator!"
 msgstr ""
 
-#: cps/templates/layout.html:85 cps/templates/register.html:17 cps/web.py:1473
-#: cps/web.py:1480 cps/web.py:1486 cps/web.py:1505 cps/web.py:1509
-#: cps/web.py:1515
+#: cps/templates/layout.html:85 cps/templates/register.html:17 cps/web.py:1551
+#: cps/web.py:1558 cps/web.py:1564 cps/web.py:1583 cps/web.py:1587
+#: cps/web.py:1593
 msgid "Register"
 msgstr ""
 
-#: cps/web.py:1507
+#: cps/web.py:1585
 msgid "Your e-mail is not allowed to register"
 msgstr ""
 
-#: cps/web.py:1510
+#: cps/web.py:1588
 msgid "Confirmation e-mail was send to your e-mail account."
 msgstr ""
 
-#: cps/web.py:1524
+#: cps/web.py:1602
 msgid "Cannot activate LDAP authentication"
 msgstr ""
 
-#: cps/web.py:1543
+#: cps/web.py:1621
 #, python-format
 msgid "Fallback Login as: '%(nickname)s', LDAP Server not reachable, or user not known"
 msgstr ""
 
-#: cps/web.py:1549
+#: cps/web.py:1627
 #, python-format
 msgid "Could not login: %(message)s"
 msgstr ""
 
-#: cps/web.py:1553 cps/web.py:1578
+#: cps/web.py:1631 cps/web.py:1656
 msgid "Wrong Username or Password"
 msgstr ""
 
-#: cps/web.py:1560
+#: cps/web.py:1638
 msgid "New Password was send to your email address"
 msgstr ""
 
-#: cps/web.py:1566
+#: cps/web.py:1644
 msgid "Please enter valid username to reset password"
 msgstr ""
 
-#: cps/web.py:1573
+#: cps/web.py:1651
 #, python-format
 msgid "You are now logged in as: '%(nickname)s'"
 msgstr ""
 
-#: cps/web.py:1639 cps/web.py:1688
+#: cps/web.py:1717 cps/web.py:1766
 #, python-format
 msgid "%(name)s's profile"
 msgstr ""
 
-#: cps/web.py:1655
+#: cps/web.py:1733
 msgid "Profile updated"
 msgstr ""
 
@@ -1307,36 +1330,36 @@ msgstr ""
 msgid "Found no valid gmail.json file with OAuth information"
 msgstr ""
 
-#: cps/tasks/convert.py:137
+#: cps/tasks/convert.py:154
 #, python-format
 msgid "Calibre ebook-convert %(tool)s not found"
 msgstr ""
 
-#: cps/tasks/convert.py:163
+#: cps/tasks/convert.py:187
 #, python-format
 msgid "%(format)s format not found on disk"
 msgstr ""
 
-#: cps/tasks/convert.py:167
+#: cps/tasks/convert.py:191
 msgid "Ebook converter failed with unknown error"
 msgstr ""
 
-#: cps/tasks/convert.py:177
+#: cps/tasks/convert.py:201
 #, python-format
 msgid "Kepubify-converter failed: %(error)s"
 msgstr ""
 
-#: cps/tasks/convert.py:199
+#: cps/tasks/convert.py:223
 #, python-format
 msgid "Converted file not found or more than one file in folder %(folder)s"
 msgstr ""
 
-#: cps/tasks/convert.py:222
+#: cps/tasks/convert.py:246
 #, python-format
 msgid "Ebook-converter failed: %(error)s"
 msgstr ""
 
-#: cps/tasks/convert.py:245
+#: cps/tasks/convert.py:269
 #, python-format
 msgid "Calibre failed with error: %(error)s"
 msgstr ""
@@ -1391,7 +1414,7 @@ msgid "Edit"
 msgstr ""
 
 #: cps/templates/admin.html:25 cps/templates/book_edit.html:16
-#: cps/templates/book_table.html:97 cps/templates/modal_dialogs.html:63
+#: cps/templates/book_table.html:100 cps/templates/modal_dialogs.html:63
 #: cps/templates/modal_dialogs.html:116 cps/templates/user_edit.html:67
 #: cps/templates/user_table.html:149
 msgid "Delete"
@@ -1401,179 +1424,179 @@ msgstr ""
 msgid "Public Shelf"
 msgstr ""
 
-#: cps/templates/admin.html:51
+#: cps/templates/admin.html:53
 msgid "Add New User"
 msgstr ""
 
-#: cps/templates/admin.html:53
+#: cps/templates/admin.html:55
 msgid "Import LDAP Users"
 msgstr ""
 
-#: cps/templates/admin.html:60
+#: cps/templates/admin.html:62
 msgid "E-mail Server Settings"
 msgstr ""
 
-#: cps/templates/admin.html:65 cps/templates/email_edit.html:31
+#: cps/templates/admin.html:67 cps/templates/email_edit.html:31
 msgid "SMTP Hostname"
 msgstr ""
 
-#: cps/templates/admin.html:69 cps/templates/email_edit.html:35
+#: cps/templates/admin.html:71 cps/templates/email_edit.html:35
 msgid "SMTP Port"
 msgstr ""
 
-#: cps/templates/admin.html:73 cps/templates/email_edit.html:39
+#: cps/templates/admin.html:75 cps/templates/email_edit.html:39
 msgid "Encryption"
 msgstr ""
 
-#: cps/templates/admin.html:77 cps/templates/email_edit.html:47
+#: cps/templates/admin.html:79 cps/templates/email_edit.html:47
 msgid "SMTP Login"
 msgstr ""
 
-#: cps/templates/admin.html:81 cps/templates/admin.html:92
+#: cps/templates/admin.html:83 cps/templates/admin.html:94
 #: cps/templates/email_edit.html:55
 msgid "From E-mail"
 msgstr ""
 
-#: cps/templates/admin.html:88
+#: cps/templates/admin.html:90
 msgid "E-Mail Service"
 msgstr ""
 
-#: cps/templates/admin.html:89
+#: cps/templates/admin.html:91
 msgid "Gmail via Oauth2"
 msgstr ""
 
-#: cps/templates/admin.html:104
+#: cps/templates/admin.html:106
 msgid "Configuration"
 msgstr ""
 
-#: cps/templates/admin.html:107
+#: cps/templates/admin.html:109
 msgid "Calibre Database Directory"
 msgstr ""
 
-#: cps/templates/admin.html:111 cps/templates/config_edit.html:68
+#: cps/templates/admin.html:113 cps/templates/config_edit.html:68
 msgid "Log Level"
 msgstr ""
 
-#: cps/templates/admin.html:115
+#: cps/templates/admin.html:117
 msgid "Port"
 msgstr ""
 
-#: cps/templates/admin.html:120
+#: cps/templates/admin.html:122
 msgid "External Port"
 msgstr ""
 
-#: cps/templates/admin.html:127 cps/templates/config_view_edit.html:28
+#: cps/templates/admin.html:129 cps/templates/config_view_edit.html:28
 msgid "Books per Page"
 msgstr ""
 
-#: cps/templates/admin.html:131
+#: cps/templates/admin.html:133
 msgid "Uploads"
 msgstr ""
 
-#: cps/templates/admin.html:135
+#: cps/templates/admin.html:137
 msgid "Anonymous Browsing"
 msgstr ""
 
-#: cps/templates/admin.html:139
+#: cps/templates/admin.html:141
 msgid "Public Registration"
 msgstr ""
 
-#: cps/templates/admin.html:143
+#: cps/templates/admin.html:145
 msgid "Magic Link Remote Login"
 msgstr ""
 
-#: cps/templates/admin.html:147
+#: cps/templates/admin.html:149
 msgid "Reverse Proxy Login"
 msgstr ""
 
-#: cps/templates/admin.html:152 cps/templates/config_edit.html:173
+#: cps/templates/admin.html:154 cps/templates/config_edit.html:173
 msgid "Reverse Proxy Header Name"
 msgstr ""
 
-#: cps/templates/admin.html:157
+#: cps/templates/admin.html:159
 msgid "Edit Calibre Database Configuration"
 msgstr ""
 
-#: cps/templates/admin.html:158
+#: cps/templates/admin.html:160
 msgid "Edit Basic Configuration"
 msgstr ""
 
-#: cps/templates/admin.html:159
+#: cps/templates/admin.html:161
 msgid "Edit UI Configuration"
 msgstr ""
 
-#: cps/templates/admin.html:164
+#: cps/templates/admin.html:166
 msgid "Administration"
 msgstr ""
 
-#: cps/templates/admin.html:165
+#: cps/templates/admin.html:167
 msgid "Download Debug Package"
 msgstr ""
 
-#: cps/templates/admin.html:166
+#: cps/templates/admin.html:168
 msgid "View Logs"
 msgstr ""
 
-#: cps/templates/admin.html:169
+#: cps/templates/admin.html:171
 msgid "Reconnect Calibre Database"
 msgstr ""
 
-#: cps/templates/admin.html:170
+#: cps/templates/admin.html:172
 msgid "Restart"
 msgstr ""
 
-#: cps/templates/admin.html:171
+#: cps/templates/admin.html:173
 msgid "Shutdown"
 msgstr ""
 
-#: cps/templates/admin.html:176
+#: cps/templates/admin.html:178
 msgid "Update"
 msgstr ""
 
-#: cps/templates/admin.html:180
+#: cps/templates/admin.html:182
 msgid "Version"
 msgstr ""
 
-#: cps/templates/admin.html:181
+#: cps/templates/admin.html:183
 msgid "Details"
 msgstr ""
 
-#: cps/templates/admin.html:187
+#: cps/templates/admin.html:189
 msgid "Current version"
 msgstr ""
 
-#: cps/templates/admin.html:194
+#: cps/templates/admin.html:196
 msgid "Check for Update"
 msgstr ""
 
-#: cps/templates/admin.html:195
+#: cps/templates/admin.html:197
 msgid "Perform Update"
 msgstr ""
 
-#: cps/templates/admin.html:208
+#: cps/templates/admin.html:210
 msgid "Are you sure you want to restart?"
 msgstr ""
 
-#: cps/templates/admin.html:213 cps/templates/admin.html:227
-#: cps/templates/admin.html:247 cps/templates/config_db.html:70
+#: cps/templates/admin.html:215 cps/templates/admin.html:229
+#: cps/templates/admin.html:249 cps/templates/config_db.html:70
 msgid "OK"
 msgstr ""
 
-#: cps/templates/admin.html:214 cps/templates/admin.html:228
-#: cps/templates/book_edit.html:213 cps/templates/book_table.html:124
+#: cps/templates/admin.html:216 cps/templates/admin.html:230
+#: cps/templates/book_edit.html:213 cps/templates/book_table.html:127
 #: cps/templates/config_db.html:54 cps/templates/config_edit.html:359
-#: cps/templates/config_view_edit.html:173 cps/templates/modal_dialogs.html:64
+#: cps/templates/config_view_edit.html:175 cps/templates/modal_dialogs.html:64
 #: cps/templates/modal_dialogs.html:99 cps/templates/modal_dialogs.html:117
 #: cps/templates/modal_dialogs.html:135 cps/templates/shelf_edit.html:27
 #: cps/templates/user_edit.html:144
 msgid "Cancel"
 msgstr ""
 
-#: cps/templates/admin.html:226
+#: cps/templates/admin.html:228
 msgid "Are you sure you want to shutdown?"
 msgstr ""
 
-#: cps/templates/admin.html:238
+#: cps/templates/admin.html:240
 msgid "Updating, please do not reload this page"
 msgstr ""
 
@@ -1585,44 +1608,43 @@ msgstr ""
 msgid "In Library"
 msgstr ""
 
-#: cps/templates/author.html:26 cps/templates/index.html:72
-#: cps/templates/search.html:29 cps/templates/shelf.html:19
+#: cps/templates/author.html:26 cps/templates/index.html:73
+#: cps/templates/search.html:30 cps/templates/shelf.html:19
 msgid "Sort according to book date, newest first"
 msgstr ""
 
-#: cps/templates/author.html:27 cps/templates/index.html:73
-#: cps/templates/search.html:30 cps/templates/shelf.html:20
+#: cps/templates/author.html:27 cps/templates/index.html:74
+#: cps/templates/search.html:31 cps/templates/shelf.html:20
 msgid "Sort according to book date, oldest first"
 msgstr ""
 
-#: cps/templates/author.html:28 cps/templates/index.html:74
-#: cps/templates/search.html:31 cps/templates/shelf.html:21
+#: cps/templates/author.html:28 cps/templates/index.html:75
+#: cps/templates/search.html:32 cps/templates/shelf.html:21
 msgid "Sort title in alphabetical order"
 msgstr ""
 
-#: cps/templates/author.html:29 cps/templates/index.html:75
-#: cps/templates/search.html:32 cps/templates/shelf.html:22
+#: cps/templates/author.html:29 cps/templates/index.html:76
+#: cps/templates/search.html:33 cps/templates/shelf.html:22
 msgid "Sort title in reverse alphabetical order"
 msgstr ""
 
-#: cps/templates/author.html:30 cps/templates/index.html:78
-#: cps/templates/search.html:35 cps/templates/shelf.html:25
+#: cps/templates/author.html:30 cps/templates/index.html:79
+#: cps/templates/search.html:36 cps/templates/shelf.html:25
 msgid "Sort according to publishing date, newest first"
 msgstr ""
 
-#: cps/templates/author.html:31 cps/templates/index.html:79
-#: cps/templates/search.html:36 cps/templates/shelf.html:26
+#: cps/templates/author.html:31 cps/templates/index.html:80
+#: cps/templates/search.html:37 cps/templates/shelf.html:26
 msgid "Sort according to publishing date, oldest first"
 msgstr ""
 
-#: cps/templates/author.html:57 cps/templates/author.html:117
-#: cps/templates/discover.html:30 cps/templates/index.html:29
-#: cps/templates/index.html:111 cps/templates/search.html:65
-#: cps/templates/shelf.html:54
+#: cps/templates/author.html:56 cps/templates/author.html:115
+#: cps/templates/index.html:29 cps/templates/index.html:112
+#: cps/templates/search.html:66 cps/templates/shelf.html:54
 msgid "reduce"
 msgstr ""
 
-#: cps/templates/author.html:101
+#: cps/templates/author.html:99
 msgid "More by"
 msgstr ""
 
@@ -1747,7 +1769,7 @@ msgid "Fetch Metadata"
 msgstr ""
 
 #: cps/templates/book_edit.html:212 cps/templates/config_db.html:53
-#: cps/templates/config_edit.html:358 cps/templates/config_view_edit.html:172
+#: cps/templates/config_edit.html:358 cps/templates/config_view_edit.html:174
 #: cps/templates/email_edit.html:65 cps/templates/shelf_edit.html:25
 #: cps/templates/shelf_order.html:41 cps/templates/user_edit.html:142
 msgid "Save"
@@ -1874,26 +1896,34 @@ msgstr ""
 msgid "Comments"
 msgstr ""
 
-#: cps/templates/book_table.html:77 cps/templates/book_table.html:79
-#: cps/templates/book_table.html:81 cps/templates/book_table.html:83
-#: cps/templates/book_table.html:87 cps/templates/book_table.html:89
-#: cps/templates/book_table.html:91 cps/templates/book_table.html:93
+#: cps/templates/book_table.html:75
+msgid "Archiv Status"
+msgstr ""
+
+#: cps/templates/book_table.html:77 cps/templates/search_form.html:42
+msgid "Read Status"
+msgstr ""
+
+#: cps/templates/book_table.html:80 cps/templates/book_table.html:82
+#: cps/templates/book_table.html:84 cps/templates/book_table.html:86
+#: cps/templates/book_table.html:90 cps/templates/book_table.html:92
+#: cps/templates/book_table.html:96
 msgid "Enter "
 msgstr ""
 
-#: cps/templates/book_table.html:110 cps/templates/modal_dialogs.html:46
+#: cps/templates/book_table.html:113 cps/templates/modal_dialogs.html:46
 msgid "Are you really sure?"
 msgstr ""
 
-#: cps/templates/book_table.html:114
+#: cps/templates/book_table.html:117
 msgid "Books with Title will be merged from:"
 msgstr ""
 
-#: cps/templates/book_table.html:118
+#: cps/templates/book_table.html:121
 msgid "Into Book with Title:"
 msgstr ""
 
-#: cps/templates/book_table.html:123
+#: cps/templates/book_table.html:126
 msgid "Merge"
 msgstr ""
 
@@ -2069,11 +2099,6 @@ msgstr ""
 msgid "LDAP Encryption"
 msgstr ""
 
-#: cps/templates/config_edit.html:204 cps/templates/config_view_edit.html:62
-#: cps/templates/email_edit.html:41
-msgid "None"
-msgstr ""
-
 #: cps/templates/config_edit.html:205
 msgid "TLS"
 msgstr ""
@@ -2290,11 +2315,11 @@ msgstr ""
 msgid "Show Random Books in Detail View"
 msgstr ""
 
-#: cps/templates/config_view_edit.html:165 cps/templates/user_edit.html:87
+#: cps/templates/config_view_edit.html:166 cps/templates/user_edit.html:87
 msgid "Add Allowed/Denied Tags"
 msgstr ""
 
-#: cps/templates/config_view_edit.html:166
+#: cps/templates/config_view_edit.html:167
 msgid "Add Allowed/Denied custom column values"
 msgstr ""
 
@@ -2343,13 +2368,13 @@ msgstr ""
 msgid "Description:"
 msgstr ""
 
-#: cps/templates/detail.html:256 cps/templates/search.html:14
+#: cps/templates/detail.html:256 cps/templates/search.html:15
 msgid "Add to shelf"
 msgstr ""
 
 #: cps/templates/detail.html:267 cps/templates/detail.html:284
 #: cps/templates/feed.xml:79 cps/templates/layout.html:137
-#: cps/templates/search.html:20
+#: cps/templates/search.html:21
 msgid "(Public)"
 msgstr ""
 
@@ -2427,10 +2452,14 @@ msgstr ""
 msgid "Next"
 msgstr ""
 
-#: cps/templates/generate_kobo_auth_url.html:5
+#: cps/templates/generate_kobo_auth_url.html:6
 msgid "Open the .kobo/Kobo eReader.conf file in a text editor and add (or edit):"
 msgstr ""
 
+#: cps/templates/generate_kobo_auth_url.html:11
+msgid "Kobo Token:"
+msgstr ""
+
 #: cps/templates/http_error.html:31
 msgid "Calibre-Web Instance is unconfigured, please contact your administrator"
 msgstr ""
@@ -2447,29 +2476,29 @@ msgstr ""
 msgid "Logout User"
 msgstr ""
 
-#: cps/templates/index.html:69
+#: cps/templates/index.html:70
 msgid "Sort ascending according to download count"
 msgstr ""
 
-#: cps/templates/index.html:70
+#: cps/templates/index.html:71
 msgid "Sort descending according to download count"
 msgstr ""
 
-#: cps/templates/index.html:76 cps/templates/search.html:33
+#: cps/templates/index.html:77 cps/templates/search.html:34
 #: cps/templates/shelf.html:23
 msgid "Sort authors in alphabetical order"
 msgstr ""
 
-#: cps/templates/index.html:77 cps/templates/search.html:34
+#: cps/templates/index.html:78 cps/templates/search.html:35
 #: cps/templates/shelf.html:24
 msgid "Sort authors in reverse alphabetical order"
 msgstr ""
 
-#: cps/templates/index.html:81
+#: cps/templates/index.html:82
 msgid "Sort ascending according to series index"
 msgstr ""
 
-#: cps/templates/index.html:82
+#: cps/templates/index.html:83
 msgid "Sort descending according to series index"
 msgstr ""
 
@@ -2899,10 +2928,6 @@ msgstr ""
 msgid "Published Date To"
 msgstr ""
 
-#: cps/templates/search_form.html:42
-msgid "Read Status"
-msgstr ""
-
 #: cps/templates/search_form.html:59
 msgid "Exclude Tags"
 msgstr ""